256684272

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:271

約数の個数: 160

約数和(自身を含む): 746618880

約数和(自身を除く): 489934608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 41, 48, 52, 78, 79, 82, 104, 123, 127, 156, 158, 164, 208, 237, 246, 254, 312, 316, 328, 381, 474, 492, 508, 533, 624, 632, 656, 762, 948, 984, 1016, 1027, 1066, 1264, 1524, 1599, 1651, 1896, 1968, 2032, 2054, 2132, 3048, 3081, 3198, 3239, 3302, 3792, 4108, 4264, 4953, 5207, 6096, 6162, 6396, 6478, 6604, 8216, 8528, 9717, 9906, 10033, 10414, 12324, 12792, 12956, 13208, 15621, 16432, 19434, 19812, 20066, 20828, 24648, 25584, 25912, 26416, 30099, 31242, 38868, 39624, 40132, 41656, 42107, 49296, 51824, 60198, 62484, 67691, 77736, 79248, 80264, 83312, 84214, 120396, 124968, 126321, 130429, 135382, 155472, 160528, 168428, 203073, 240792, 249936, 252642, 260858, 270764, 336856, 391287, 406146, 411353, 481584, 505284, 521716, 541528, 673712, 782574, 812292, 822706, 1010568, 1043432, 1083056, 1234059, 1565148, 1624584, 1645412, 2021136, 2086864, 2468118, 3130296, 3249168, 3290824, 4936236, 5347589, 6260592, 6581648, 9872472, 10695178, 16042767, 19744944, 21390356, 32085534, 42780712, 64171068, 85561424, 128342136, 256684272]

約数ペア:

[(1, 256684272), (2, 128342136), (3, 85561424), (4, 64171068), (6, 42780712), (8, 32085534), (12, 21390356), (13, 19744944), (16, 16042767), (24, 10695178), (26, 9872472), (39, 6581648), (41, 6260592), (48, 5347589), (52, 4936236), (78, 3290824), (79, 3249168), (82, 3130296), (104, 2468118), (123, 2086864), (127, 2021136), (156, 1645412), (158, 1624584), (164, 1565148), (208, 1234059), (237, 1083056), (246, 1043432), (254, 1010568), (312, 822706), (316, 812292), (328, 782574), (381, 673712), (474, 541528), (492, 521716), (508, 505284), (533, 481584), (624, 411353), (632, 406146), (656, 391287), (762, 336856), (948, 270764), (984, 260858), (1016, 252642), (1027, 249936), (1066, 240792), (1264, 203073), (1524, 168428), (1599, 160528), (1651, 155472), (1896, 135382), (1968, 130429), (2032, 126321), (2054, 124968), (2132, 120396), (3048, 84214), (3081, 83312), (3198, 80264), (3239, 79248), (3302, 77736), (3792, 67691), (4108, 62484), (4264, 60198), (4953, 51824), (5207, 49296), (6096, 42107), (6162, 41656), (6396, 40132), (6478, 39624), (6604, 38868), (8216, 31242), (8528, 30099), (9717, 26416), (9906, 25912), (10033, 25584), (10414, 24648), (12324, 20828), (12792, 20066), (12956, 19812), (13208, 19434), (15621, 16432)]