17990520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149921}}^1$

素因数の和:149935

約数の個数: 32

約数和(自身を含む): 53971920

約数和(自身を除く): 35981400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149921, 299842, 449763, 599684, 749605, 899526, 1199368, 1499210, 1799052, 2248815, 2998420, 3598104, 4497630, 5996840, 8995260, 17990520]

約数ペア:

[(1, 17990520), (2, 8995260), (3, 5996840), (4, 4497630), (5, 3598104), (6, 2998420), (8, 2248815), (10, 1799052), (12, 1499210), (15, 1199368), (20, 899526), (24, 749605), (30, 599684), (40, 449763), (60, 299842), (120, 149921)]