321557640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2679647}}^1$

素因数の和:2679661

約数の個数: 32

約数和(自身を含む): 964673280

約数和(自身を除く): 643115640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2679647, 5359294, 8038941, 10718588, 13398235, 16077882, 21437176, 26796470, 32155764, 40194705, 53592940, 64311528, 80389410, 107185880, 160778820, 321557640]

約数ペア:

[(1, 321557640), (2, 160778820), (3, 107185880), (4, 80389410), (5, 64311528), (6, 53592940), (8, 40194705), (10, 32155764), (12, 26796470), (15, 21437176), (20, 16077882), (24, 13398235), (30, 10718588), (40, 8038941), (60, 5359294), (120, 2679647)]