12721620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1423}}^1$

素因数の和:1584

約数の個数: 48

約数和(自身を含む): 35884800

約数和(自身を除く): 23163180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 1423, 1490, 1788, 2235, 2846, 2980, 4269, 4470, 5692, 7115, 8538, 8940, 14230, 17076, 21345, 28460, 42690, 85380, 212027, 424054, 636081, 848108, 1060135, 1272162, 2120270, 2544324, 3180405, 4240540, 6360810, 12721620]

約数ペア:

[(1, 12721620), (2, 6360810), (3, 4240540), (4, 3180405), (5, 2544324), (6, 2120270), (10, 1272162), (12, 1060135), (15, 848108), (20, 636081), (30, 424054), (60, 212027), (149, 85380), (298, 42690), (447, 28460), (596, 21345), (745, 17076), (894, 14230), (1423, 8940), (1490, 8538), (1788, 7115), (2235, 5692), (2846, 4470), (2980, 4269)]