28304040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1583}}^1$

素因数の和:1746

約数の個数: 64

約数和(自身を含む): 85536000

約数和(自身を除く): 57231960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 894, 1192, 1490, 1583, 1788, 2235, 2980, 3166, 3576, 4470, 4749, 5960, 6332, 7915, 8940, 9498, 12664, 15830, 17880, 18996, 23745, 31660, 37992, 47490, 63320, 94980, 189960, 235867, 471734, 707601, 943468, 1179335, 1415202, 1886936, 2358670, 2830404, 3538005, 4717340, 5660808, 7076010, 9434680, 14152020, 28304040]

約数ペア:

[(1, 28304040), (2, 14152020), (3, 9434680), (4, 7076010), (5, 5660808), (6, 4717340), (8, 3538005), (10, 2830404), (12, 2358670), (15, 1886936), (20, 1415202), (24, 1179335), (30, 943468), (40, 707601), (60, 471734), (120, 235867), (149, 189960), (298, 94980), (447, 63320), (596, 47490), (745, 37992), (894, 31660), (1192, 23745), (1490, 18996), (1583, 17880), (1788, 15830), (2235, 12664), (2980, 9498), (3166, 8940), (3576, 7915), (4470, 6332), (4749, 5960)]