18728766560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 384

約数和(自身を含む): 54716497920

約数和(自身を除く): 35987731360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 37, 40, 56, 61, 62, 70, 74, 80, 112, 122, 124, 140, 148, 155, 160, 185, 217, 224, 239, 244, 248, 259, 280, 296, 305, 310, 370, 427, 434, 478, 488, 496, 518, 560, 592, 610, 620, 740, 854, 868, 956, 976, 992, 1036, 1085, 1120, 1147, 1184, 1195, 1220, 1240, 1295, 1480, 1673, 1708, 1736, 1891, 1912, 1952, 2072, 2135, 2170, 2257, 2294, 2390, 2440, 2480, 2590, 2960, 3346, 3416, 3472, 3782, 3824, 4144, 4270, 4340, 4514, 4588, 4780, 4880, 4960, 5180, 5735, 5920, 6692, 6832, 6944, 7409, 7564, 7648, 8029, 8288, 8365, 8540, 8680, 8843, 9028, 9176, 9455, 9560, 9760, 10360, 11285, 11470, 13237, 13384, 13664, 14579, 14818, 15128, 15799, 16058, 16730, 17080, 17360, 17686, 18056, 18352, 18910, 19120, 20720, 22570, 22940, 26474, 26768, 29158, 29636, 30256, 31598, 32116, 33460, 34160, 34720, 35372, 36112, 36704, 37045, 37820, 38240, 40145, 41440, 44215, 45140, 45880, 51863, 52948, 53536, 58316, 59272, 60512, 61901, 63196, 64232, 66185, 66920, 68320, 69967, 70744, 72224, 72895, 74090, 75640, 78995, 80290, 88430, 90280, 91760, 102053, 103726, 105896, 116632, 118544, 123802, 126392, 128464, 132370, 133840, 139934, 141488, 145790, 148180, 151280, 157990, 160580, 176860, 180560, 183520, 204106, 207452, 211792, 233264, 237088, 247604, 252784, 256928, 259315, 264740, 267680, 274133, 279868, 282976, 291580, 296360, 302560, 309505, 315980, 321160, 349835, 353720, 361120, 408212, 414904, 423584, 451949, 466528, 489769, 495208, 505568, 510265, 518630, 529480, 539423, 548266, 559736, 583160, 592720, 619010, 631960, 642320, 699670, 707440, 816424, 829808, 903898, 979538, 990416, 1020530, 1037260, 1058960, 1078846, 1096532, 1119472, 1166320, 1185440, 1238020, 1263920, 1284640, 1370665, 1399340, 1414880, 1632848, 1659616, 1807796, 1918931, 1959076, 1980832, 2041060, 2074520, 2117920, 2157692, 2193064, 2238944, 2259745, 2332640, 2448845, 2476040, 2527840, 2697115, 2741330, 2798680, 3163643, 3265696, 3615592, 3775961, 3837862, 3918152, 4082120, 4149040, 4315384, 4386128, 4519490, 4897690, 4952080, 5394230, 5482660, 5597360, 6327286, 7231184, 7551922, 7675724, 7836304, 8164240, 8298080, 8630768, 8772256, 9038980, 9594655, 9795380, 9904160, 10788460, 10965320, 11194720, 12654572, 14462368, 15103844, 15351448, 15672608, 15818215, 16328480, 16722113, 17261536, 18077960, 18879805, 19189310, 19590760, 21576920, 21930640, 25309144, 30207688, 30702896, 31636430, 33444226, 36155920, 37759610, 38378620, 39181520, 43153840, 43861280, 50618288, 60415376, 61405792, 63272860, 66888452, 72311840, 75519220, 76757240, 78363040, 83610565, 86307680, 101236576, 117054791, 120830752, 126545720, 133776904, 151038440, 153514480, 167221130, 234109582, 253091440, 267553808, 302076880, 307028960, 334442260, 468219164, 506182880, 535107616, 585273955, 604153760, 668884520, 936438328, 1170547910, 1337769040, 1872876656, 2341095820, 2675538080, 3745753312, 4682191640, 9364383280, 18728766560]

約数ペア:

[(1, 18728766560), (2, 9364383280), (4, 4682191640), (5, 3745753312), (7, 2675538080), (8, 2341095820), (10, 1872876656), (14, 1337769040), (16, 1170547910), (20, 936438328), (28, 668884520), (31, 604153760), (32, 585273955), (35, 535107616), (37, 506182880), (40, 468219164), (56, 334442260), (61, 307028960), (62, 302076880), (70, 267553808), (74, 253091440), (80, 234109582), (112, 167221130), (122, 153514480), (124, 151038440), (140, 133776904), (148, 126545720), (155, 120830752), (160, 117054791), (185, 101236576), (217, 86307680), (224, 83610565), (239, 78363040), (244, 76757240), (248, 75519220), (259, 72311840), (280, 66888452), (296, 63272860), (305, 61405792), (310, 60415376), (370, 50618288), (427, 43861280), (434, 43153840), (478, 39181520), (488, 38378620), (496, 37759610), (518, 36155920), (560, 33444226), (592, 31636430), (610, 30702896), (620, 30207688), (740, 25309144), (854, 21930640), (868, 21576920), (956, 19590760), (976, 19189310), (992, 18879805), (1036, 18077960), (1085, 17261536), (1120, 16722113), (1147, 16328480), (1184, 15818215), (1195, 15672608), (1220, 15351448), (1240, 15103844), (1295, 14462368), (1480, 12654572), (1673, 11194720), (1708, 10965320), (1736, 10788460), (1891, 9904160), (1912, 9795380), (1952, 9594655), (2072, 9038980), (2135, 8772256), (2170, 8630768), (2257, 8298080), (2294, 8164240), (2390, 7836304), (2440, 7675724), (2480, 7551922), (2590, 7231184), (2960, 6327286), (3346, 5597360), (3416, 5482660), (3472, 5394230), (3782, 4952080), (3824, 4897690), (4144, 4519490), (4270, 4386128), (4340, 4315384), (4514, 4149040), (4588, 4082120), (4780, 3918152), (4880, 3837862), (4960, 3775961), (5180, 3615592), (5735, 3265696), (5920, 3163643), (6692, 2798680), (6832, 2741330), (6944, 2697115), (7409, 2527840), (7564, 2476040), (7648, 2448845), (8029, 2332640), (8288, 2259745), (8365, 2238944), (8540, 2193064), (8680, 2157692), (8843, 2117920), (9028, 2074520), (9176, 2041060), (9455, 1980832), (9560, 1959076), (9760, 1918931), (10360, 1807796), (11285, 1659616), (11470, 1632848), (13237, 1414880), (13384, 1399340), (13664, 1370665), (14579, 1284640), (14818, 1263920), (15128, 1238020), (15799, 1185440), (16058, 1166320), (16730, 1119472), (17080, 1096532), (17360, 1078846), (17686, 1058960), (18056, 1037260), (18352, 1020530), (18910, 990416), (19120, 979538), (20720, 903898), (22570, 829808), (22940, 816424), (26474, 707440), (26768, 699670), (29158, 642320), (29636, 631960), (30256, 619010), (31598, 592720), (32116, 583160), (33460, 559736), (34160, 548266), (34720, 539423), (35372, 529480), (36112, 518630), (36704, 510265), (37045, 505568), (37820, 495208), (38240, 489769), (40145, 466528), (41440, 451949), (44215, 423584), (45140, 414904), (45880, 408212), (51863, 361120), (52948, 353720), (53536, 349835), (58316, 321160), (59272, 315980), (60512, 309505), (61901, 302560), (63196, 296360), (64232, 291580), (66185, 282976), (66920, 279868), (68320, 274133), (69967, 267680), (70744, 264740), (72224, 259315), (72895, 256928), (74090, 252784), (75640, 247604), (78995, 237088), (80290, 233264), (88430, 211792), (90280, 207452), (91760, 204106), (102053, 183520), (103726, 180560), (105896, 176860), (116632, 160580), (118544, 157990), (123802, 151280), (126392, 148180), (128464, 145790), (132370, 141488), (133840, 139934)]