80918520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{674321}}^1$

素因数の和:674335

約数の個数: 32

約数和(自身を含む): 242755920

約数和(自身を除く): 161837400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 674321, 1348642, 2022963, 2697284, 3371605, 4045926, 5394568, 6743210, 8091852, 10114815, 13486420, 16183704, 20229630, 26972840, 40459260, 80918520]

約数ペア:

[(1, 80918520), (2, 40459260), (3, 26972840), (4, 20229630), (5, 16183704), (6, 13486420), (8, 10114815), (10, 8091852), (12, 6743210), (15, 5394568), (20, 4045926), (24, 3371605), (30, 2697284), (40, 2022963), (60, 1348642), (120, 674321)]