7155660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{499}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 20160000

約数和(自身を除く): 13004340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 499, 717, 956, 998, 1195, 1434, 1497, 1996, 2390, 2495, 2868, 2994, 3585, 4780, 4990, 5988, 7170, 7485, 9980, 14340, 14970, 29940, 119261, 238522, 357783, 477044, 596305, 715566, 1192610, 1431132, 1788915, 2385220, 3577830, 7155660]

約数ペア:

[(1, 7155660), (2, 3577830), (3, 2385220), (4, 1788915), (5, 1431132), (6, 1192610), (10, 715566), (12, 596305), (15, 477044), (20, 357783), (30, 238522), (60, 119261), (239, 29940), (478, 14970), (499, 14340), (717, 9980), (956, 7485), (998, 7170), (1195, 5988), (1434, 4990), (1497, 4780), (1996, 3585), (2390, 2994), (2495, 2868)]