390840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{3257}}^1$

素因数の和:3271

約数の個数: 32

約数和(自身を含む): 1172880

約数和(自身を除く): 782040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 3257, 6514, 9771, 13028, 16285, 19542, 26056, 32570, 39084, 48855, 65140, 78168, 97710, 130280, 195420, 390840]

約数ペア:

[(1, 390840), (2, 195420), (3, 130280), (4, 97710), (5, 78168), (6, 65140), (8, 48855), (10, 39084), (12, 32570), (15, 26056), (20, 19542), (24, 16285), (30, 13028), (40, 9771), (60, 6514), (120, 3257)]