154421040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{643421}}^1$

素因数の和:643437

約数の個数: 40

約数和(自身を含む): 478705968

約数和(自身を除く): 324284928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 643421, 1286842, 1930263, 2573684, 3217105, 3860526, 5147368, 6434210, 7721052, 9651315, 10294736, 12868420, 15442104, 19302630, 25736840, 30884208, 38605260, 51473680, 77210520, 154421040]

約数ペア:

[(1, 154421040), (2, 77210520), (3, 51473680), (4, 38605260), (5, 30884208), (6, 25736840), (8, 19302630), (10, 15442104), (12, 12868420), (15, 10294736), (16, 9651315), (20, 7721052), (24, 6434210), (30, 5147368), (40, 3860526), (48, 3217105), (60, 2573684), (80, 1930263), (120, 1286842), (240, 643421)]