256910049760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:208

約数の個数: 864

約数和(自身を含む): 817124638176

約数和(自身を除く): 560214588416

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 43, 49, 52, 56, 61, 62, 65, 70, 80, 86, 91, 98, 104, 112, 122, 124, 130, 140, 155, 160, 172, 182, 196, 208, 215, 217, 224, 244, 245, 248, 260, 280, 301, 305, 310, 344, 364, 392, 403, 416, 427, 430, 434, 455, 488, 490, 496, 520, 559, 560, 602, 610, 620, 637, 688, 728, 784, 793, 806, 854, 860, 868, 910, 961, 976, 980, 992, 1040, 1085, 1118, 1120, 1204, 1220, 1240, 1274, 1333, 1376, 1456, 1505, 1519, 1568, 1586, 1612, 1708, 1720, 1736, 1820, 1891, 1922, 1952, 1960, 2015, 2080, 2107, 2135, 2170, 2236, 2408, 2440, 2480, 2548, 2623, 2666, 2795, 2821, 2912, 2989, 3010, 3038, 3172, 3185, 3224, 3416, 3440, 3472, 3640, 3782, 3844, 3913, 3920, 3965, 4030, 4214, 4270, 4340, 4472, 4805, 4816, 4880, 4960, 5096, 5246, 5332, 5551, 5590, 5642, 5978, 6020, 6076, 6344, 6370, 6448, 6665, 6727, 6832, 6880, 6944, 7280, 7564, 7595, 7688, 7826, 7840, 7930, 8060, 8428, 8540, 8680, 8944, 9331, 9455, 9610, 9632, 9760, 10192, 10492, 10535, 10664, 11102, 11180, 11284, 11956, 12040, 12152, 12493, 12688, 12740, 12896, 13115, 13237, 13330, 13454, 13664, 14105, 14560, 14945, 15128, 15190, 15376, 15652, 15860, 16120, 16856, 17080, 17329, 17360, 17888, 18361, 18662, 18910, 19220, 19565, 19747, 20384, 20984, 21070, 21328, 22204, 22360, 22568, 23912, 24080, 24304, 24583, 24986, 25376, 25480, 26230, 26474, 26660, 26908, 27391, 27755, 28210, 29890, 30256, 30380, 30752, 31304, 31720, 32240, 33635, 33712, 34099, 34160, 34658, 34720, 36722, 37324, 37820, 38440, 38857, 39130, 39494, 41323, 41968, 42140, 42656, 44408, 44720, 45136, 46655, 47089, 47824, 48160, 48608, 49166, 49972, 50960, 52460, 52948, 53320, 53816, 54782, 55510, 56420, 58621, 59780, 60512, 60760, 62465, 62608, 63440, 64480, 65317, 66185, 67270, 67424, 68198, 68320, 69316, 73444, 74648, 75640, 76880, 77714, 78260, 78988, 81313, 82646, 83936, 84280, 86645, 87451, 88816, 89440, 90272, 91805, 92659, 93310, 94178, 95648, 98332, 98735, 99944, 101920, 104920, 105896, 106640, 107632, 109564, 111020, 112840, 117242, 119560, 121303, 121520, 122915, 124930, 125216, 126880, 128527, 130634, 132370, 134540, 136396, 136955, 138632, 146888, 149296, 151280, 153760, 155428, 156520, 157976, 162626, 165292, 168560, 170495, 172081, 173290, 174902, 177632, 183610, 185318, 186620, 188356, 194285, 196664, 197470, 199888, 206615, 209840, 211792, 213280, 215264, 219128, 222040, 225680, 234484, 235445, 238693, 239120, 242606, 243040, 245830, 249860, 257054, 261268, 264740, 269080, 272792, 273910, 277264, 289261, 293105, 293776, 298592, 302560, 310856, 313040, 315952, 325252, 326585, 330584, 337120, 340990, 344162, 346580, 349804, 367220, 370636, 373240, 376712, 388570, 393328, 394940, 399776, 406565, 410347, 413230, 419680, 423584, 437255, 438256, 444080, 451360, 463295, 468968, 470890, 477386, 478240, 485212, 491660, 499720, 514108, 522536, 529480, 537199, 538160, 545584, 547820, 554528, 569191, 578522, 586210, 587552, 606515, 612157, 621712, 626080, 631904, 642635, 650504, 653170, 661168, 681980, 688324, 693160, 699608, 734440, 741272, 746480, 753424, 762073, 777140, 786656, 789880, 813130, 820694, 826460, 849121, 860405, 874510, 876512, 888160, 926590, 937936, 941780, 954772, 970424, 983320, 999440, 1028216, 1045072, 1057069, 1058960, 1074398, 1076320, 1091168, 1095640, 1138382, 1157044, 1172420, 1193465, 1204567, 1213030, 1224314, 1243424, 1285270, 1301008, 1306340, 1322336, 1363960, 1376648, 1386320, 1399216, 1446305, 1468880, 1482544, 1492960, 1506848, 1524146, 1554280, 1579760, 1626260, 1641388, 1652920, 1670851, 1698242, 1720810, 1749020, 1853180, 1875872, 1883560, 1909544, 1940848, 1966640, 1998880, 2024827, 2051735, 2056432, 2090144, 2114138, 2117920, 2148796, 2191280, 2276764, 2314088, 2344840, 2386930, 2409134, 2426060, 2448628, 2520703, 2570540, 2602016, 2612680, 2685995, 2727920, 2753296, 2772640, 2798432, 2845955, 2872429, 2892610, 2937760, 2965088, 3048292, 3060785, 3108560, 3159520, 3252520, 3282776, 3305840, 3341702, 3396484, 3441620, 3498040, 3706360, 3760393, 3767120, 3810365, 3819088, 3881696, 3933280, 3984337, 4049654, 4103470, 4112864, 4228276, 4245605, 4297592, 4382560, 4553528, 4628176, 4689680, 4773860, 4818268, 4852120, 4897256, 5041406, 5141080, 5225360, 5285345, 5334511, 5371990, 5455840, 5506592, 5691910, 5744858, 5785220, 6022835, 6096584, 6121570, 6217120, 6505040, 6565552, 6611680, 6683404, 6792968, 6883240, 6996080, 7399483, 7412720, 7520786, 7534240, 7620730, 7638176, 7968674, 8099308, 8206940, 8354255, 8456552, 8491210, 8595184, 9107056, 9256352, 9379360, 9547720, 9636536, 9704240, 9794512, 10082812, 10124135, 10282160, 10450720, 10570690, 10669022, 10743980, 11383820, 11489716, 11570440, 12045670, 12193168, 12243140, 12603515, 13010080, 13131104, 13366808, 13585936, 13766480, 13992160, 14362145, 14798966, 14825440, 15041572, 15241460, 15937348, 16198616, 16413880, 16708510, 16913104, 16982420, 17190368, 17644921, 18214112, 18801965, 19095440, 19273072, 19408480, 19589024, 19921685, 20165624, 20248270, 20564320, 21141380, 21338044, 21487960, 22767640, 22979432, 23140880, 24091340, 24386336, 24486280, 25207030, 26322751, 26672555, 26733616, 27171872, 27532960, 28724290, 29597932, 30083144, 30482920, 31874696, 32397232, 32769139, 32827760, 33417020, 33826208, 33964840, 35289842, 36997415, 37341577, 37603930, 38190880, 38546144, 39843370, 40331248, 40496540, 42282760, 42676088, 42975920, 45535280, 45958864, 46281760, 48182680, 48972560, 50414060, 51796381, 52645502, 53345110, 53467232, 57448580, 59195864, 60166288, 60965840, 63749392, 64794464, 65538278, 65655520, 66834040, 67929680, 70579684, 73994830, 74683154, 75207860, 79686740, 80662496, 80993080, 84565520, 85352176, 85951840, 88224605, 91070560, 91917728, 96365360, 97945120, 100828120, 103592762, 105291004, 106690220, 114897160, 118391728, 120332576, 121931680, 123514447, 127498784, 131076556, 131613755, 133668080, 135859360, 141159368, 147989660, 149366308, 150415720, 159373480, 161986160, 163845695, 169131040, 170704352, 176449210, 186707885, 192730720, 201656240, 207185524, 210582008, 213380440, 229383973, 229794320, 236783456, 247028894, 258981905, 262153112, 263227510, 267336160, 282318736, 295979320, 298732616, 300831440, 318746960, 323972320, 327691390, 352898420, 373415770, 403312480, 414371048, 421164016, 426760880, 458767946, 459588640, 494057788, 517963810, 524306224, 526455020, 564637472, 591958640, 597465232, 601662880, 617572235, 637493920, 655382780, 705796840, 746831540, 828742096, 842328032, 853521760, 917535892, 988115576, 1035927620, 1048612448, 1052910040, 1146919865, 1183917280, 1194930464, 1235144470, 1310765560, 1411593680, 1493663080, 1605687811, 1657484192, 1835071784, 1976231152, 2071855240, 2105820080, 2293839730, 2470288940, 2621531120, 2823187360, 2987326160, 3211375622, 3670143568, 3952462304, 4143710480, 4211640160, 4587679460, 4940577880, 5243062240, 5974652320, 6422751244, 7340287136, 8028439055, 8287420960, 9175358920, 9881155760, 12845502488, 16056878110, 18350717840, 19762311520, 25691004976, 32113756220, 36701435680, 51382009952, 64227512440, 128455024880, 256910049760]

約数ペア:

[(1, 256910049760), (2, 128455024880), (4, 64227512440), (5, 51382009952), (7, 36701435680), (8, 32113756220), (10, 25691004976), (13, 19762311520), (14, 18350717840), (16, 16056878110), (20, 12845502488), (26, 9881155760), (28, 9175358920), (31, 8287420960), (32, 8028439055), (35, 7340287136), (40, 6422751244), (43, 5974652320), (49, 5243062240), (52, 4940577880), (56, 4587679460), (61, 4211640160), (62, 4143710480), (65, 3952462304), (70, 3670143568), (80, 3211375622), (86, 2987326160), (91, 2823187360), (98, 2621531120), (104, 2470288940), (112, 2293839730), (122, 2105820080), (124, 2071855240), (130, 1976231152), (140, 1835071784), (155, 1657484192), (160, 1605687811), (172, 1493663080), (182, 1411593680), (196, 1310765560), (208, 1235144470), (215, 1194930464), (217, 1183917280), (224, 1146919865), (244, 1052910040), (245, 1048612448), (248, 1035927620), (260, 988115576), (280, 917535892), (301, 853521760), (305, 842328032), (310, 828742096), (344, 746831540), (364, 705796840), (392, 655382780), (403, 637493920), (416, 617572235), (427, 601662880), (430, 597465232), (434, 591958640), (455, 564637472), (488, 526455020), (490, 524306224), (496, 517963810), (520, 494057788), (559, 459588640), (560, 458767946), (602, 426760880), (610, 421164016), (620, 414371048), (637, 403312480), (688, 373415770), (728, 352898420), (784, 327691390), (793, 323972320), (806, 318746960), (854, 300831440), (860, 298732616), (868, 295979320), (910, 282318736), (961, 267336160), (976, 263227510), (980, 262153112), (992, 258981905), (1040, 247028894), (1085, 236783456), (1118, 229794320), (1120, 229383973), (1204, 213380440), (1220, 210582008), (1240, 207185524), (1274, 201656240), (1333, 192730720), (1376, 186707885), (1456, 176449210), (1505, 170704352), (1519, 169131040), (1568, 163845695), (1586, 161986160), (1612, 159373480), (1708, 150415720), (1720, 149366308), (1736, 147989660), (1820, 141159368), (1891, 135859360), (1922, 133668080), (1952, 131613755), (1960, 131076556), (2015, 127498784), (2080, 123514447), (2107, 121931680), (2135, 120332576), (2170, 118391728), (2236, 114897160), (2408, 106690220), (2440, 105291004), (2480, 103592762), (2548, 100828120), (2623, 97945120), (2666, 96365360), (2795, 91917728), (2821, 91070560), (2912, 88224605), (2989, 85951840), (3010, 85352176), (3038, 84565520), (3172, 80993080), (3185, 80662496), (3224, 79686740), (3416, 75207860), (3440, 74683154), (3472, 73994830), (3640, 70579684), (3782, 67929680), (3844, 66834040), (3913, 65655520), (3920, 65538278), (3965, 64794464), (4030, 63749392), (4214, 60965840), (4270, 60166288), (4340, 59195864), (4472, 57448580), (4805, 53467232), (4816, 53345110), (4880, 52645502), (4960, 51796381), (5096, 50414060), (5246, 48972560), (5332, 48182680), (5551, 46281760), (5590, 45958864), (5642, 45535280), (5978, 42975920), (6020, 42676088), (6076, 42282760), (6344, 40496540), (6370, 40331248), (6448, 39843370), (6665, 38546144), (6727, 38190880), (6832, 37603930), (6880, 37341577), (6944, 36997415), (7280, 35289842), (7564, 33964840), (7595, 33826208), (7688, 33417020), (7826, 32827760), (7840, 32769139), (7930, 32397232), (8060, 31874696), (8428, 30482920), (8540, 30083144), (8680, 29597932), (8944, 28724290), (9331, 27532960), (9455, 27171872), (9610, 26733616), (9632, 26672555), (9760, 26322751), (10192, 25207030), (10492, 24486280), (10535, 24386336), (10664, 24091340), (11102, 23140880), (11180, 22979432), (11284, 22767640), (11956, 21487960), (12040, 21338044), (12152, 21141380), (12493, 20564320), (12688, 20248270), (12740, 20165624), (12896, 19921685), (13115, 19589024), (13237, 19408480), (13330, 19273072), (13454, 19095440), (13664, 18801965), (14105, 18214112), (14560, 17644921), (14945, 17190368), (15128, 16982420), (15190, 16913104), (15376, 16708510), (15652, 16413880), (15860, 16198616), (16120, 15937348), (16856, 15241460), (17080, 15041572), (17329, 14825440), (17360, 14798966), (17888, 14362145), (18361, 13992160), (18662, 13766480), (18910, 13585936), (19220, 13366808), (19565, 13131104), (19747, 13010080), (20384, 12603515), (20984, 12243140), (21070, 12193168), (21328, 12045670), (22204, 11570440), (22360, 11489716), (22568, 11383820), (23912, 10743980), (24080, 10669022), (24304, 10570690), (24583, 10450720), (24986, 10282160), (25376, 10124135), (25480, 10082812), (26230, 9794512), (26474, 9704240), (26660, 9636536), (26908, 9547720), (27391, 9379360), (27755, 9256352), (28210, 9107056), (29890, 8595184), (30256, 8491210), (30380, 8456552), (30752, 8354255), (31304, 8206940), (31720, 8099308), (32240, 7968674), (33635, 7638176), (33712, 7620730), (34099, 7534240), (34160, 7520786), (34658, 7412720), (34720, 7399483), (36722, 6996080), (37324, 6883240), (37820, 6792968), (38440, 6683404), (38857, 6611680), (39130, 6565552), (39494, 6505040), (41323, 6217120), (41968, 6121570), (42140, 6096584), (42656, 6022835), (44408, 5785220), (44720, 5744858), (45136, 5691910), (46655, 5506592), (47089, 5455840), (47824, 5371990), (48160, 5334511), (48608, 5285345), (49166, 5225360), (49972, 5141080), (50960, 5041406), (52460, 4897256), (52948, 4852120), (53320, 4818268), (53816, 4773860), (54782, 4689680), (55510, 4628176), (56420, 4553528), (58621, 4382560), (59780, 4297592), (60512, 4245605), (60760, 4228276), (62465, 4112864), (62608, 4103470), (63440, 4049654), (64480, 3984337), (65317, 3933280), (66185, 3881696), (67270, 3819088), (67424, 3810365), (68198, 3767120), (68320, 3760393), (69316, 3706360), (73444, 3498040), (74648, 3441620), (75640, 3396484), (76880, 3341702), (77714, 3305840), (78260, 3282776), (78988, 3252520), (81313, 3159520), (82646, 3108560), (83936, 3060785), (84280, 3048292), (86645, 2965088), (87451, 2937760), (88816, 2892610), (89440, 2872429), (90272, 2845955), (91805, 2798432), (92659, 2772640), (93310, 2753296), (94178, 2727920), (95648, 2685995), (98332, 2612680), (98735, 2602016), (99944, 2570540), (101920, 2520703), (104920, 2448628), (105896, 2426060), (106640, 2409134), (107632, 2386930), (109564, 2344840), (111020, 2314088), (112840, 2276764), (117242, 2191280), (119560, 2148796), (121303, 2117920), (121520, 2114138), (122915, 2090144), (124930, 2056432), (125216, 2051735), (126880, 2024827), (128527, 1998880), (130634, 1966640), (132370, 1940848), (134540, 1909544), (136396, 1883560), (136955, 1875872), (138632, 1853180), (146888, 1749020), (149296, 1720810), (151280, 1698242), (153760, 1670851), (155428, 1652920), (156520, 1641388), (157976, 1626260), (162626, 1579760), (165292, 1554280), (168560, 1524146), (170495, 1506848), (172081, 1492960), (173290, 1482544), (174902, 1468880), (177632, 1446305), (183610, 1399216), (185318, 1386320), (186620, 1376648), (188356, 1363960), (194285, 1322336), (196664, 1306340), (197470, 1301008), (199888, 1285270), (206615, 1243424), (209840, 1224314), (211792, 1213030), (213280, 1204567), (215264, 1193465), (219128, 1172420), (222040, 1157044), (225680, 1138382), (234484, 1095640), (235445, 1091168), (238693, 1076320), (239120, 1074398), (242606, 1058960), (243040, 1057069), (245830, 1045072), (249860, 1028216), (257054, 999440), (261268, 983320), (264740, 970424), (269080, 954772), (272792, 941780), (273910, 937936), (277264, 926590), (289261, 888160), (293105, 876512), (293776, 874510), (298592, 860405), (302560, 849121), (310856, 826460), (313040, 820694), (315952, 813130), (325252, 789880), (326585, 786656), (330584, 777140), (337120, 762073), (340990, 753424), (344162, 746480), (346580, 741272), (349804, 734440), (367220, 699608), (370636, 693160), (373240, 688324), (376712, 681980), (388570, 661168), (393328, 653170), (394940, 650504), (399776, 642635), (406565, 631904), (410347, 626080), (413230, 621712), (419680, 612157), (423584, 606515), (437255, 587552), (438256, 586210), (444080, 578522), (451360, 569191), (463295, 554528), (468968, 547820), (470890, 545584), (477386, 538160), (478240, 537199), (485212, 529480), (491660, 522536), (499720, 514108)]