66557480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{457}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 164220480

約数和(自身を除く): 97663000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 331, 440, 457, 662, 914, 1324, 1655, 1828, 2285, 2648, 3310, 3641, 3656, 4570, 5027, 6620, 7282, 9140, 10054, 13240, 14564, 18205, 18280, 20108, 25135, 29128, 36410, 40216, 50270, 72820, 100540, 145640, 151267, 201080, 302534, 605068, 756335, 1210136, 1512670, 1663937, 3025340, 3327874, 6050680, 6655748, 8319685, 13311496, 16639370, 33278740, 66557480]

約数ペア:

[(1, 66557480), (2, 33278740), (4, 16639370), (5, 13311496), (8, 8319685), (10, 6655748), (11, 6050680), (20, 3327874), (22, 3025340), (40, 1663937), (44, 1512670), (55, 1210136), (88, 756335), (110, 605068), (220, 302534), (331, 201080), (440, 151267), (457, 145640), (662, 100540), (914, 72820), (1324, 50270), (1655, 40216), (1828, 36410), (2285, 29128), (2648, 25135), (3310, 20108), (3641, 18280), (3656, 18205), (4570, 14564), (5027, 13240), (6620, 10054), (7282, 9140)]