15420540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1637}}^1$

素因数の和:1806

約数の個数: 48

約数和(自身を含む): 43479072

約数和(自身を除く): 28058532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1637, 1884, 2355, 3140, 3274, 4710, 4911, 6548, 8185, 9420, 9822, 16370, 19644, 24555, 32740, 49110, 98220, 257009, 514018, 771027, 1028036, 1285045, 1542054, 2570090, 3084108, 3855135, 5140180, 7710270, 15420540]

約数ペア:

[(1, 15420540), (2, 7710270), (3, 5140180), (4, 3855135), (5, 3084108), (6, 2570090), (10, 1542054), (12, 1285045), (15, 1028036), (20, 771027), (30, 514018), (60, 257009), (157, 98220), (314, 49110), (471, 32740), (628, 24555), (785, 19644), (942, 16370), (1570, 9822), (1637, 9420), (1884, 8185), (2355, 6548), (3140, 4911), (3274, 4710)]