30664660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1999}}^1$

素因数の和:2080

約数の個数: 48

約数和(自身を含む): 70560000

約数和(自身を除く): 39895340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1534, 1999, 3068, 3835, 3998, 7670, 7996, 9995, 15340, 19990, 25987, 39980, 51974, 103948, 117941, 129935, 235882, 259870, 471764, 519740, 589705, 1179410, 1533233, 2358820, 3066466, 6132932, 7666165, 15332330, 30664660]

約数ペア:

[(1, 30664660), (2, 15332330), (4, 7666165), (5, 6132932), (10, 3066466), (13, 2358820), (20, 1533233), (26, 1179410), (52, 589705), (59, 519740), (65, 471764), (118, 259870), (130, 235882), (236, 129935), (260, 117941), (295, 103948), (590, 51974), (767, 39980), (1180, 25987), (1534, 19990), (1999, 15340), (3068, 9995), (3835, 7996), (3998, 7670)]