81548670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1511}}^1$

素因数の和:1785

約数の個数: 64

約数和(自身を含む): 224695296

約数和(自身を除く): 143146626

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 257, 514, 771, 1285, 1511, 1542, 1799, 2570, 3022, 3598, 3855, 4533, 5397, 7555, 7710, 8995, 9066, 10577, 10794, 15110, 17990, 21154, 22665, 26985, 31731, 45330, 52885, 53970, 63462, 105770, 158655, 317310, 388327, 776654, 1164981, 1941635, 2329962, 2718289, 3883270, 5436578, 5824905, 8154867, 11649810, 13591445, 16309734, 27182890, 40774335, 81548670]

約数ペア:

[(1, 81548670), (2, 40774335), (3, 27182890), (5, 16309734), (6, 13591445), (7, 11649810), (10, 8154867), (14, 5824905), (15, 5436578), (21, 3883270), (30, 2718289), (35, 2329962), (42, 1941635), (70, 1164981), (105, 776654), (210, 388327), (257, 317310), (514, 158655), (771, 105770), (1285, 63462), (1511, 53970), (1542, 52885), (1799, 45330), (2570, 31731), (3022, 26985), (3598, 22665), (3855, 21154), (4533, 17990), (5397, 15110), (7555, 10794), (7710, 10577), (8995, 9066)]