256919520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:258

約数の個数: 384

約数和(自身を含む): 1005903360

約数和(自身を除く): 748983840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 19, 20, 22, 24, 26, 30, 32, 33, 38, 39, 40, 44, 48, 52, 55, 57, 60, 65, 66, 76, 78, 80, 88, 95, 96, 104, 110, 114, 120, 130, 132, 143, 152, 156, 160, 165, 176, 190, 195, 197, 208, 209, 220, 228, 240, 247, 260, 264, 285, 286, 304, 312, 330, 352, 380, 390, 394, 416, 418, 429, 440, 456, 480, 494, 520, 528, 570, 572, 591, 608, 624, 627, 660, 715, 741, 760, 780, 788, 836, 858, 880, 912, 985, 988, 1040, 1045, 1056, 1140, 1144, 1182, 1235, 1248, 1254, 1320, 1430, 1482, 1520, 1560, 1576, 1672, 1716, 1760, 1824, 1970, 1976, 2080, 2090, 2145, 2167, 2280, 2288, 2364, 2470, 2508, 2561, 2640, 2717, 2860, 2955, 2964, 3040, 3120, 3135, 3152, 3344, 3432, 3705, 3743, 3940, 3952, 4180, 4290, 4334, 4560, 4576, 4728, 4940, 5016, 5122, 5280, 5434, 5720, 5910, 5928, 6240, 6270, 6304, 6501, 6688, 6864, 7410, 7486, 7683, 7880, 7904, 8151, 8360, 8580, 8668, 9120, 9456, 9880, 10032, 10244, 10835, 10868, 11229, 11440, 11820, 11856, 12540, 12805, 13002, 13585, 13728, 14820, 14972, 15366, 15760, 16302, 16720, 17160, 17336, 18715, 18912, 19760, 20064, 20488, 21670, 21736, 22458, 22880, 23640, 23712, 25080, 25610, 26004, 27170, 28171, 29640, 29944, 30732, 31520, 32505, 32604, 33440, 34320, 34672, 37430, 38415, 39520, 40755, 40976, 41173, 43340, 43472, 44916, 47280, 48659, 50160, 51220, 52008, 54340, 56145, 56342, 59280, 59888, 61464, 65010, 65208, 68640, 69344, 74860, 76830, 81510, 81952, 82346, 84513, 86680, 86944, 89832, 94560, 97318, 100320, 102440, 104016, 108680, 112290, 112684, 118560, 119776, 122928, 123519, 130020, 130416, 140855, 145977, 149720, 153660, 163020, 164692, 169026, 173360, 179664, 194636, 204880, 205865, 208032, 217360, 224580, 225368, 243295, 245856, 247038, 260040, 260832, 281710, 291954, 299440, 307320, 326040, 329384, 338052, 346720, 359328, 389272, 409760, 411730, 422565, 434720, 449160, 450736, 486590, 494076, 520080, 535249, 563420, 583908, 598880, 614640, 617595, 652080, 658768, 676104, 729885, 778544, 823460, 845130, 898320, 901472, 973180, 988152, 1040160, 1070498, 1126840, 1167816, 1229280, 1235190, 1304160, 1317536, 1352208, 1459770, 1557088, 1605747, 1646920, 1690260, 1796640, 1946360, 1976304, 2140996, 2253680, 2335632, 2470380, 2676245, 2704416, 2919540, 3211494, 3293840, 3380520, 3892720, 3952608, 4281992, 4507360, 4671264, 4940760, 5352490, 5839080, 6422988, 6587680, 6761040, 7785440, 8028735, 8563984, 9881520, 10704980, 11678160, 12845976, 13522080, 16057470, 17127968, 19763040, 21409960, 23356320, 25691952, 32114940, 42819920, 51383904, 64229880, 85639840, 128459760, 256919520]

約数ペア:

[(1, 256919520), (2, 128459760), (3, 85639840), (4, 64229880), (5, 51383904), (6, 42819920), (8, 32114940), (10, 25691952), (11, 23356320), (12, 21409960), (13, 19763040), (15, 17127968), (16, 16057470), (19, 13522080), (20, 12845976), (22, 11678160), (24, 10704980), (26, 9881520), (30, 8563984), (32, 8028735), (33, 7785440), (38, 6761040), (39, 6587680), (40, 6422988), (44, 5839080), (48, 5352490), (52, 4940760), (55, 4671264), (57, 4507360), (60, 4281992), (65, 3952608), (66, 3892720), (76, 3380520), (78, 3293840), (80, 3211494), (88, 2919540), (95, 2704416), (96, 2676245), (104, 2470380), (110, 2335632), (114, 2253680), (120, 2140996), (130, 1976304), (132, 1946360), (143, 1796640), (152, 1690260), (156, 1646920), (160, 1605747), (165, 1557088), (176, 1459770), (190, 1352208), (195, 1317536), (197, 1304160), (208, 1235190), (209, 1229280), (220, 1167816), (228, 1126840), (240, 1070498), (247, 1040160), (260, 988152), (264, 973180), (285, 901472), (286, 898320), (304, 845130), (312, 823460), (330, 778544), (352, 729885), (380, 676104), (390, 658768), (394, 652080), (416, 617595), (418, 614640), (429, 598880), (440, 583908), (456, 563420), (480, 535249), (494, 520080), (520, 494076), (528, 486590), (570, 450736), (572, 449160), (591, 434720), (608, 422565), (624, 411730), (627, 409760), (660, 389272), (715, 359328), (741, 346720), (760, 338052), (780, 329384), (788, 326040), (836, 307320), (858, 299440), (880, 291954), (912, 281710), (985, 260832), (988, 260040), (1040, 247038), (1045, 245856), (1056, 243295), (1140, 225368), (1144, 224580), (1182, 217360), (1235, 208032), (1248, 205865), (1254, 204880), (1320, 194636), (1430, 179664), (1482, 173360), (1520, 169026), (1560, 164692), (1576, 163020), (1672, 153660), (1716, 149720), (1760, 145977), (1824, 140855), (1970, 130416), (1976, 130020), (2080, 123519), (2090, 122928), (2145, 119776), (2167, 118560), (2280, 112684), (2288, 112290), (2364, 108680), (2470, 104016), (2508, 102440), (2561, 100320), (2640, 97318), (2717, 94560), (2860, 89832), (2955, 86944), (2964, 86680), (3040, 84513), (3120, 82346), (3135, 81952), (3152, 81510), (3344, 76830), (3432, 74860), (3705, 69344), (3743, 68640), (3940, 65208), (3952, 65010), (4180, 61464), (4290, 59888), (4334, 59280), (4560, 56342), (4576, 56145), (4728, 54340), (4940, 52008), (5016, 51220), (5122, 50160), (5280, 48659), (5434, 47280), (5720, 44916), (5910, 43472), (5928, 43340), (6240, 41173), (6270, 40976), (6304, 40755), (6501, 39520), (6688, 38415), (6864, 37430), (7410, 34672), (7486, 34320), (7683, 33440), (7880, 32604), (7904, 32505), (8151, 31520), (8360, 30732), (8580, 29944), (8668, 29640), (9120, 28171), (9456, 27170), (9880, 26004), (10032, 25610), (10244, 25080), (10835, 23712), (10868, 23640), (11229, 22880), (11440, 22458), (11820, 21736), (11856, 21670), (12540, 20488), (12805, 20064), (13002, 19760), (13585, 18912), (13728, 18715), (14820, 17336), (14972, 17160), (15366, 16720), (15760, 16302)]