61411480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6947}}^1$

素因数の和:6988

約数の個数: 64

約数和(自身を含む): 157580640

約数和(自身を除く): 96169160

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 6947, 8840, 13894, 27788, 34735, 55576, 69470, 90311, 118099, 138940, 180622, 236198, 277880, 361244, 451555, 472396, 590495, 722488, 903110, 944792, 1180990, 1535287, 1806220, 2361980, 3070574, 3612440, 4723960, 6141148, 7676435, 12282296, 15352870, 30705740, 61411480]

約数ペア:

[(1, 61411480), (2, 30705740), (4, 15352870), (5, 12282296), (8, 7676435), (10, 6141148), (13, 4723960), (17, 3612440), (20, 3070574), (26, 2361980), (34, 1806220), (40, 1535287), (52, 1180990), (65, 944792), (68, 903110), (85, 722488), (104, 590495), (130, 472396), (136, 451555), (170, 361244), (221, 277880), (260, 236198), (340, 180622), (442, 138940), (520, 118099), (680, 90311), (884, 69470), (1105, 55576), (1768, 34735), (2210, 27788), (4420, 13894), (6947, 8840)]