15694202780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{122477}}^1$

素因数の和:122678

約数の個数: 48

約数和(自身を含む): 33950901600

約数和(自身を除く): 18256698820

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 149, 172, 215, 298, 430, 596, 745, 860, 1490, 2980, 6407, 12814, 25628, 32035, 64070, 122477, 128140, 244954, 489908, 612385, 1224770, 2449540, 5266511, 10533022, 18249073, 21066044, 26332555, 36498146, 52665110, 72996292, 91245365, 105330220, 182490730, 364981460, 784710139, 1569420278, 3138840556, 3923550695, 7847101390, 15694202780]

約数ペア:

[(1, 15694202780), (2, 7847101390), (4, 3923550695), (5, 3138840556), (10, 1569420278), (20, 784710139), (43, 364981460), (86, 182490730), (149, 105330220), (172, 91245365), (215, 72996292), (298, 52665110), (430, 36498146), (596, 26332555), (745, 21066044), (860, 18249073), (1490, 10533022), (2980, 5266511), (6407, 2449540), (12814, 1224770), (25628, 612385), (32035, 489908), (64070, 244954), (122477, 128140)]