72960440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{260573}}^1$

素因数の和:260591

約数の個数: 32

約数和(自身を含む): 187613280

約数和(自身を除く): 114652840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 260573, 521146, 1042292, 1302865, 1824011, 2084584, 2605730, 3648022, 5211460, 7296044, 9120055, 10422920, 14592088, 18240110, 36480220, 72960440]

約数ペア:

[(1, 72960440), (2, 36480220), (4, 18240110), (5, 14592088), (7, 10422920), (8, 9120055), (10, 7296044), (14, 5211460), (20, 3648022), (28, 2605730), (35, 2084584), (40, 1824011), (56, 1302865), (70, 1042292), (140, 521146), (280, 260573)]