80634680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4721}}^1$

素因数の和:4800

約数の個数: 64

約数和(自身を含む): 210790080

約数和(自身を除く): 130155400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 4721, 8540, 9442, 17080, 18884, 23605, 33047, 37768, 47210, 66094, 94420, 132188, 165235, 188840, 264376, 287981, 330470, 575962, 660940, 1151924, 1321880, 1439905, 2015867, 2303848, 2879810, 4031734, 5759620, 8063468, 10079335, 11519240, 16126936, 20158670, 40317340, 80634680]

約数ペア:

[(1, 80634680), (2, 40317340), (4, 20158670), (5, 16126936), (7, 11519240), (8, 10079335), (10, 8063468), (14, 5759620), (20, 4031734), (28, 2879810), (35, 2303848), (40, 2015867), (56, 1439905), (61, 1321880), (70, 1151924), (122, 660940), (140, 575962), (244, 330470), (280, 287981), (305, 264376), (427, 188840), (488, 165235), (610, 132188), (854, 94420), (1220, 66094), (1708, 47210), (2135, 37768), (2440, 33047), (3416, 23605), (4270, 18884), (4721, 17080), (8540, 9442)]