308520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{857}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 1003860

約数和(自身を除く): 695340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 857, 1714, 2571, 3428, 4285, 5142, 6856, 7713, 8570, 10284, 12855, 15426, 17140, 20568, 25710, 30852, 34280, 38565, 51420, 61704, 77130, 102840, 154260, 308520]

約数ペア:

[(1, 308520), (2, 154260), (3, 102840), (4, 77130), (5, 61704), (6, 51420), (8, 38565), (9, 34280), (10, 30852), (12, 25710), (15, 20568), (18, 17140), (20, 15426), (24, 12855), (30, 10284), (36, 8570), (40, 7713), (45, 6856), (60, 5142), (72, 4285), (90, 3428), (120, 2571), (180, 1714), (360, 857)]