261741480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2179}}^1$

素因数の和:2224

約数の個数: 256

約数和(自身を含む): 1054771200

約数和(自身を除く): 793029720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 52, 55, 56, 60, 65, 66, 70, 77, 78, 84, 88, 91, 104, 105, 110, 120, 130, 132, 140, 143, 154, 156, 165, 168, 182, 195, 210, 220, 231, 260, 264, 273, 280, 286, 308, 312, 330, 364, 385, 390, 420, 429, 440, 455, 462, 520, 546, 572, 616, 660, 715, 728, 770, 780, 840, 858, 910, 924, 1001, 1092, 1144, 1155, 1320, 1365, 1430, 1540, 1560, 1716, 1820, 1848, 2002, 2145, 2179, 2184, 2310, 2730, 2860, 3003, 3080, 3432, 3640, 4004, 4290, 4358, 4620, 5005, 5460, 5720, 6006, 6537, 8008, 8580, 8716, 9240, 10010, 10895, 10920, 12012, 13074, 15015, 15253, 17160, 17432, 20020, 21790, 23969, 24024, 26148, 28327, 30030, 30506, 32685, 40040, 43580, 45759, 47938, 52296, 56654, 60060, 61012, 65370, 71907, 76265, 84981, 87160, 91518, 95876, 113308, 119845, 120120, 122024, 130740, 141635, 143814, 152530, 167783, 169962, 183036, 191752, 198289, 226616, 228795, 239690, 261480, 283270, 287628, 305060, 311597, 335566, 339924, 359535, 366072, 396578, 424905, 457590, 479380, 503349, 566540, 575256, 594867, 610120, 623194, 671132, 679848, 719070, 793156, 838915, 849810, 915180, 934791, 958760, 991445, 1006698, 1133080, 1189734, 1246388, 1342264, 1438140, 1557985, 1586312, 1677830, 1699620, 1830360, 1869582, 1982890, 2013396, 2181179, 2379468, 2492776, 2516745, 2876280, 2974335, 3115970, 3355660, 3399240, 3739164, 3965780, 4026792, 4362358, 4673955, 4758936, 5033490, 5948670, 6231940, 6543537, 6711320, 7478328, 7931560, 8724716, 9347910, 10066980, 10905895, 11897340, 12463880, 13087074, 17449432, 18695820, 20133960, 21811790, 23794680, 26174148, 32717685, 37391640, 43623580, 52348296, 65435370, 87247160, 130870740, 261741480]

約数ペア:

[(1, 261741480), (2, 130870740), (3, 87247160), (4, 65435370), (5, 52348296), (6, 43623580), (7, 37391640), (8, 32717685), (10, 26174148), (11, 23794680), (12, 21811790), (13, 20133960), (14, 18695820), (15, 17449432), (20, 13087074), (21, 12463880), (22, 11897340), (24, 10905895), (26, 10066980), (28, 9347910), (30, 8724716), (33, 7931560), (35, 7478328), (39, 6711320), (40, 6543537), (42, 6231940), (44, 5948670), (52, 5033490), (55, 4758936), (56, 4673955), (60, 4362358), (65, 4026792), (66, 3965780), (70, 3739164), (77, 3399240), (78, 3355660), (84, 3115970), (88, 2974335), (91, 2876280), (104, 2516745), (105, 2492776), (110, 2379468), (120, 2181179), (130, 2013396), (132, 1982890), (140, 1869582), (143, 1830360), (154, 1699620), (156, 1677830), (165, 1586312), (168, 1557985), (182, 1438140), (195, 1342264), (210, 1246388), (220, 1189734), (231, 1133080), (260, 1006698), (264, 991445), (273, 958760), (280, 934791), (286, 915180), (308, 849810), (312, 838915), (330, 793156), (364, 719070), (385, 679848), (390, 671132), (420, 623194), (429, 610120), (440, 594867), (455, 575256), (462, 566540), (520, 503349), (546, 479380), (572, 457590), (616, 424905), (660, 396578), (715, 366072), (728, 359535), (770, 339924), (780, 335566), (840, 311597), (858, 305060), (910, 287628), (924, 283270), (1001, 261480), (1092, 239690), (1144, 228795), (1155, 226616), (1320, 198289), (1365, 191752), (1430, 183036), (1540, 169962), (1560, 167783), (1716, 152530), (1820, 143814), (1848, 141635), (2002, 130740), (2145, 122024), (2179, 120120), (2184, 119845), (2310, 113308), (2730, 95876), (2860, 91518), (3003, 87160), (3080, 84981), (3432, 76265), (3640, 71907), (4004, 65370), (4290, 61012), (4358, 60060), (4620, 56654), (5005, 52296), (5460, 47938), (5720, 45759), (6006, 43580), (6537, 40040), (8008, 32685), (8580, 30506), (8716, 30030), (9240, 28327), (10010, 26148), (10895, 24024), (10920, 23969), (12012, 21790), (13074, 20020), (15015, 17432), (15253, 17160)]