21664920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{180541}}^1$

素因数の和:180555

約数の個数: 32

約数和(自身を含む): 64995120

約数和(自身を除く): 43330200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 180541, 361082, 541623, 722164, 902705, 1083246, 1444328, 1805410, 2166492, 2708115, 3610820, 4332984, 5416230, 7221640, 10832460, 21664920]

約数ペア:

[(1, 21664920), (2, 10832460), (3, 7221640), (4, 5416230), (5, 4332984), (6, 3610820), (8, 2708115), (10, 2166492), (12, 1805410), (15, 1444328), (20, 1083246), (24, 902705), (30, 722164), (40, 541623), (60, 361082), (120, 180541)]