154508720

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8081}}^1$

素因数の和:8333

約数の個数: 40

約数和(自身を含む): 360780480

約数和(自身を除く): 206271760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 8081, 9560, 16162, 19120, 32324, 40405, 64648, 80810, 129296, 161620, 323240, 646480, 1931359, 3862718, 7725436, 9656795, 15450872, 19313590, 30901744, 38627180, 77254360, 154508720]

約数ペア:

[(1, 154508720), (2, 77254360), (4, 38627180), (5, 30901744), (8, 19313590), (10, 15450872), (16, 9656795), (20, 7725436), (40, 3862718), (80, 1931359), (239, 646480), (478, 323240), (956, 161620), (1195, 129296), (1912, 80810), (2390, 64648), (3824, 40405), (4780, 32324), (8081, 19120), (9560, 16162)]