256159762740

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{9681019}}^1$

素因数の和:9681051

約数の個数: 144

約数和(自身を含む): 927054475200

約数和(自身を除く): 670894712460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 8820, 13230, 26460, 9681019, 19362038, 29043057, 38724076, 48405095, 58086114, 67767133, 87129171, 96810190, 116172228, 135534266, 145215285, 174258342, 193620380, 203301399, 261387513, 271068532, 290430570, 338835665, 348516684, 406602798, 435645855, 474369931, 522775026, 580861140, 609904197, 677671330, 813205596, 871291710, 948739862, 1016506995, 1045550052, 1219808394, 1306937565, 1355342660, 1423109793, 1742583420, 1829712591, 1897479724, 2033013990, 2371849655, 2439616788, 2613875130, 2846219586, 3049520985, 3659425182, 4066027980, 4269329379, 4743699310, 5227750260, 5692439172, 6099041970, 7115548965, 7318850364, 8538658758, 9148562955, 9487398620, 12198083940, 12807988137, 14231097930, 17077317516, 18297125910, 21346646895, 25615976274, 28462195860, 36594251820, 42693293790, 51231952548, 64039940685, 85386587580, 128079881370, 256159762740]

約数ペア:

[(1, 256159762740), (2, 128079881370), (3, 85386587580), (4, 64039940685), (5, 51231952548), (6, 42693293790), (7, 36594251820), (9, 28462195860), (10, 25615976274), (12, 21346646895), (14, 18297125910), (15, 17077317516), (18, 14231097930), (20, 12807988137), (21, 12198083940), (27, 9487398620), (28, 9148562955), (30, 8538658758), (35, 7318850364), (36, 7115548965), (42, 6099041970), (45, 5692439172), (49, 5227750260), (54, 4743699310), (60, 4269329379), (63, 4066027980), (70, 3659425182), (84, 3049520985), (90, 2846219586), (98, 2613875130), (105, 2439616788), (108, 2371849655), (126, 2033013990), (135, 1897479724), (140, 1829712591), (147, 1742583420), (180, 1423109793), (189, 1355342660), (196, 1306937565), (210, 1219808394), (245, 1045550052), (252, 1016506995), (270, 948739862), (294, 871291710), (315, 813205596), (378, 677671330), (420, 609904197), (441, 580861140), (490, 522775026), (540, 474369931), (588, 435645855), (630, 406602798), (735, 348516684), (756, 338835665), (882, 290430570), (945, 271068532), (980, 261387513), (1260, 203301399), (1323, 193620380), (1470, 174258342), (1764, 145215285), (1890, 135534266), (2205, 116172228), (2646, 96810190), (2940, 87129171), (3780, 67767133), (4410, 58086114), (5292, 48405095), (6615, 38724076), (8820, 29043057), (13230, 19362038), (26460, 9681019)]