817860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 2350656

約数和(自身を除く): 1532796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 317, 430, 516, 634, 645, 860, 951, 1268, 1290, 1585, 1902, 2580, 3170, 3804, 4755, 6340, 9510, 13631, 19020, 27262, 40893, 54524, 68155, 81786, 136310, 163572, 204465, 272620, 408930, 817860]

約数ペア:

[(1, 817860), (2, 408930), (3, 272620), (4, 204465), (5, 163572), (6, 136310), (10, 81786), (12, 68155), (15, 54524), (20, 40893), (30, 27262), (43, 19020), (60, 13631), (86, 9510), (129, 6340), (172, 4755), (215, 3804), (258, 3170), (317, 2580), (430, 1902), (516, 1585), (634, 1290), (645, 1268), (860, 951)]