69457880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 163010880

約数和(自身を除く): 93553000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 284, 296, 355, 370, 568, 661, 710, 740, 1322, 1420, 1480, 2627, 2644, 2840, 3305, 5254, 5288, 6610, 10508, 13135, 13220, 21016, 24457, 26270, 26440, 46931, 48914, 52540, 93862, 97828, 105080, 122285, 187724, 195656, 234655, 244570, 375448, 469310, 489140, 938620, 978280, 1736447, 1877240, 3472894, 6945788, 8682235, 13891576, 17364470, 34728940, 69457880]

約数ペア:

[(1, 69457880), (2, 34728940), (4, 17364470), (5, 13891576), (8, 8682235), (10, 6945788), (20, 3472894), (37, 1877240), (40, 1736447), (71, 978280), (74, 938620), (142, 489140), (148, 469310), (185, 375448), (284, 244570), (296, 234655), (355, 195656), (370, 187724), (568, 122285), (661, 105080), (710, 97828), (740, 93862), (1322, 52540), (1420, 48914), (1480, 46931), (2627, 26440), (2644, 26270), (2840, 24457), (3305, 21016), (5254, 13220), (5288, 13135), (6610, 10508)]