638760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5323}}^1$

素因数の和:5337

約数の個数: 32

約数和(自身を含む): 1916640

約数和(自身を除く): 1277880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5323, 10646, 15969, 21292, 26615, 31938, 42584, 53230, 63876, 79845, 106460, 127752, 159690, 212920, 319380, 638760]

約数ペア:

[(1, 638760), (2, 319380), (3, 212920), (4, 159690), (5, 127752), (6, 106460), (8, 79845), (10, 63876), (12, 53230), (15, 42584), (20, 31938), (24, 26615), (30, 21292), (40, 15969), (60, 10646), (120, 5323)]