30319960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{68909}}^1$

素因数の和:68931

約数の個数: 32

約数和(自身を含む): 74422800

約数和(自身を除く): 44102840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 68909, 137818, 275636, 344545, 551272, 689090, 757999, 1378180, 1515998, 2756360, 3031996, 3789995, 6063992, 7579990, 15159980, 30319960]

約数ペア:

[(1, 30319960), (2, 15159980), (4, 7579990), (5, 6063992), (8, 3789995), (10, 3031996), (11, 2756360), (20, 1515998), (22, 1378180), (40, 757999), (44, 689090), (55, 551272), (88, 344545), (110, 275636), (220, 137818), (440, 68909)]