78821940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1313699}}^1$

素因数の和:1313711

約数の個数: 24

約数和(自身を含む): 220701600

約数和(自身を除く): 141879660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1313699, 2627398, 3941097, 5254796, 6568495, 7882194, 13136990, 15764388, 19705485, 26273980, 39410970, 78821940]

約数ペア:

[(1, 78821940), (2, 39410970), (3, 26273980), (4, 19705485), (5, 15764388), (6, 13136990), (10, 7882194), (12, 6568495), (15, 5254796), (20, 3941097), (30, 2627398), (60, 1313699)]