261850512

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:414

約数の個数: 240

約数和(自身を含む): 890568000

約数和(自身を除く): 628717488

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 29, 33, 42, 44, 48, 49, 56, 58, 66, 77, 84, 87, 88, 98, 112, 116, 132, 147, 154, 168, 174, 176, 196, 203, 231, 232, 264, 294, 308, 319, 336, 348, 349, 392, 406, 462, 464, 528, 539, 588, 609, 616, 638, 696, 698, 784, 812, 924, 957, 1047, 1078, 1176, 1218, 1232, 1276, 1392, 1396, 1421, 1617, 1624, 1848, 1914, 2094, 2156, 2233, 2352, 2436, 2443, 2552, 2792, 2842, 3234, 3248, 3696, 3828, 3839, 4188, 4263, 4312, 4466, 4872, 4886, 5104, 5584, 5684, 6468, 6699, 7329, 7656, 7678, 8376, 8526, 8624, 8932, 9744, 9772, 10121, 11368, 11517, 12936, 13398, 14658, 15312, 15356, 15631, 16752, 17052, 17101, 17864, 19544, 20242, 22736, 23034, 25872, 26796, 26873, 29316, 30363, 30712, 31262, 34104, 34202, 35728, 39088, 40484, 46068, 46893, 51303, 53592, 53746, 58632, 60726, 61424, 62524, 68208, 68404, 70847, 80619, 80968, 92136, 93786, 102606, 107184, 107492, 111331, 117264, 121452, 125048, 136808, 141694, 161238, 161936, 184272, 187572, 188111, 205212, 212541, 214984, 222662, 242904, 250096, 273616, 283388, 322476, 333993, 375144, 376222, 410424, 425082, 429968, 445324, 485808, 495929, 564333, 566776, 644952, 667986, 750288, 752444, 779317, 820848, 850164, 890648, 991858, 1128666, 1133552, 1289904, 1335972, 1487787, 1504888, 1558634, 1700328, 1781296, 1983716, 2257332, 2337951, 2671944, 2975574, 3009776, 3117268, 3400656, 3967432, 4514664, 4675902, 5343888, 5455219, 5951148, 6234536, 7934864, 9029328, 9351804, 10910438, 11902296, 12469072, 16365657, 18703608, 21820876, 23804592, 32731314, 37407216, 43641752, 65462628, 87283504, 130925256, 261850512]

約数ペア:

[(1, 261850512), (2, 130925256), (3, 87283504), (4, 65462628), (6, 43641752), (7, 37407216), (8, 32731314), (11, 23804592), (12, 21820876), (14, 18703608), (16, 16365657), (21, 12469072), (22, 11902296), (24, 10910438), (28, 9351804), (29, 9029328), (33, 7934864), (42, 6234536), (44, 5951148), (48, 5455219), (49, 5343888), (56, 4675902), (58, 4514664), (66, 3967432), (77, 3400656), (84, 3117268), (87, 3009776), (88, 2975574), (98, 2671944), (112, 2337951), (116, 2257332), (132, 1983716), (147, 1781296), (154, 1700328), (168, 1558634), (174, 1504888), (176, 1487787), (196, 1335972), (203, 1289904), (231, 1133552), (232, 1128666), (264, 991858), (294, 890648), (308, 850164), (319, 820848), (336, 779317), (348, 752444), (349, 750288), (392, 667986), (406, 644952), (462, 566776), (464, 564333), (528, 495929), (539, 485808), (588, 445324), (609, 429968), (616, 425082), (638, 410424), (696, 376222), (698, 375144), (784, 333993), (812, 322476), (924, 283388), (957, 273616), (1047, 250096), (1078, 242904), (1176, 222662), (1218, 214984), (1232, 212541), (1276, 205212), (1392, 188111), (1396, 187572), (1421, 184272), (1617, 161936), (1624, 161238), (1848, 141694), (1914, 136808), (2094, 125048), (2156, 121452), (2233, 117264), (2352, 111331), (2436, 107492), (2443, 107184), (2552, 102606), (2792, 93786), (2842, 92136), (3234, 80968), (3248, 80619), (3696, 70847), (3828, 68404), (3839, 68208), (4188, 62524), (4263, 61424), (4312, 60726), (4466, 58632), (4872, 53746), (4886, 53592), (5104, 51303), (5584, 46893), (5684, 46068), (6468, 40484), (6699, 39088), (7329, 35728), (7656, 34202), (7678, 34104), (8376, 31262), (8526, 30712), (8624, 30363), (8932, 29316), (9744, 26873), (9772, 26796), (10121, 25872), (11368, 23034), (11517, 22736), (12936, 20242), (13398, 19544), (14658, 17864), (15312, 17101), (15356, 17052), (15631, 16752)]