68669480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{653}}^1$

素因数の和:914

約数の個数: 64

約数和(自身を含む): 169516800

約数和(自身を除く): 100847320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 239, 440, 478, 653, 956, 1195, 1306, 1912, 2390, 2612, 2629, 3265, 4780, 5224, 5258, 6530, 7183, 9560, 10516, 13060, 13145, 14366, 21032, 26120, 26290, 28732, 35915, 52580, 57464, 71830, 105160, 143660, 156067, 287320, 312134, 624268, 780335, 1248536, 1560670, 1716737, 3121340, 3433474, 6242680, 6866948, 8583685, 13733896, 17167370, 34334740, 68669480]

約数ペア:

[(1, 68669480), (2, 34334740), (4, 17167370), (5, 13733896), (8, 8583685), (10, 6866948), (11, 6242680), (20, 3433474), (22, 3121340), (40, 1716737), (44, 1560670), (55, 1248536), (88, 780335), (110, 624268), (220, 312134), (239, 287320), (440, 156067), (478, 143660), (653, 105160), (956, 71830), (1195, 57464), (1306, 52580), (1912, 35915), (2390, 28732), (2612, 26290), (2629, 26120), (3265, 21032), (4780, 14366), (5224, 13145), (5258, 13060), (6530, 10516), (7183, 9560)]