90305072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1361}}^1$

素因数の和:1422

約数の個数: 80

約数和(自身を含む): 212798880

約数和(自身を除く): 122493808

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 29, 44, 52, 58, 88, 104, 116, 143, 176, 208, 232, 286, 319, 377, 464, 572, 638, 754, 1144, 1276, 1361, 1508, 2288, 2552, 2722, 3016, 4147, 5104, 5444, 6032, 8294, 10888, 14971, 16588, 17693, 21776, 29942, 33176, 35386, 39469, 59884, 66352, 70772, 78938, 119768, 141544, 157876, 194623, 239536, 283088, 315752, 389246, 434159, 513097, 631504, 778492, 868318, 1026194, 1556984, 1736636, 2052388, 3113968, 3473272, 4104776, 5644067, 6946544, 8209552, 11288134, 22576268, 45152536, 90305072]

約数ペア:

[(1, 90305072), (2, 45152536), (4, 22576268), (8, 11288134), (11, 8209552), (13, 6946544), (16, 5644067), (22, 4104776), (26, 3473272), (29, 3113968), (44, 2052388), (52, 1736636), (58, 1556984), (88, 1026194), (104, 868318), (116, 778492), (143, 631504), (176, 513097), (208, 434159), (232, 389246), (286, 315752), (319, 283088), (377, 239536), (464, 194623), (572, 157876), (638, 141544), (754, 119768), (1144, 78938), (1276, 70772), (1361, 66352), (1508, 59884), (2288, 39469), (2552, 35386), (2722, 33176), (3016, 29942), (4147, 21776), (5104, 17693), (5444, 16588), (6032, 14971), (8294, 10888)]