61612120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{317}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 143557920

約数和(自身を除く): 81945800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 113, 172, 215, 226, 317, 344, 430, 452, 565, 634, 860, 904, 1130, 1268, 1585, 1720, 2260, 2536, 3170, 4520, 4859, 6340, 9718, 12680, 13631, 19436, 24295, 27262, 35821, 38872, 48590, 54524, 68155, 71642, 97180, 109048, 136310, 143284, 179105, 194360, 272620, 286568, 358210, 545240, 716420, 1432840, 1540303, 3080606, 6161212, 7701515, 12322424, 15403030, 30806060, 61612120]

約数ペア:

[(1, 61612120), (2, 30806060), (4, 15403030), (5, 12322424), (8, 7701515), (10, 6161212), (20, 3080606), (40, 1540303), (43, 1432840), (86, 716420), (113, 545240), (172, 358210), (215, 286568), (226, 272620), (317, 194360), (344, 179105), (430, 143284), (452, 136310), (565, 109048), (634, 97180), (860, 71642), (904, 68155), (1130, 54524), (1268, 48590), (1585, 38872), (1720, 35821), (2260, 27262), (2536, 24295), (3170, 19436), (4520, 13631), (4859, 12680), (6340, 9718)]