81298490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2179}}^1$

素因数の和:2247

約数の個数: 64

約数和(自身を含む): 184584960

約数和(自身を除く): 103286470

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 41, 65, 70, 82, 91, 130, 182, 205, 287, 410, 455, 533, 574, 910, 1066, 1435, 2179, 2665, 2870, 3731, 4358, 5330, 7462, 10895, 15253, 18655, 21790, 28327, 30506, 37310, 56654, 76265, 89339, 141635, 152530, 178678, 198289, 283270, 396578, 446695, 625373, 893390, 991445, 1161407, 1250746, 1982890, 2322814, 3126865, 5807035, 6253730, 8129849, 11614070, 16259698, 40649245, 81298490]

約数ペア:

[(1, 81298490), (2, 40649245), (5, 16259698), (7, 11614070), (10, 8129849), (13, 6253730), (14, 5807035), (26, 3126865), (35, 2322814), (41, 1982890), (65, 1250746), (70, 1161407), (82, 991445), (91, 893390), (130, 625373), (182, 446695), (205, 396578), (287, 283270), (410, 198289), (455, 178678), (533, 152530), (574, 141635), (910, 89339), (1066, 76265), (1435, 56654), (2179, 37310), (2665, 30506), (2870, 28327), (3731, 21790), (4358, 18655), (5330, 15253), (7462, 10895)]