18891480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157429}}^1$

素因数の和:157443

約数の個数: 32

約数和(自身を含む): 56674800

約数和(自身を除く): 37783320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157429, 314858, 472287, 629716, 787145, 944574, 1259432, 1574290, 1889148, 2361435, 3148580, 3778296, 4722870, 6297160, 9445740, 18891480]

約数ペア:

[(1, 18891480), (2, 9445740), (3, 6297160), (4, 4722870), (5, 3778296), (6, 3148580), (8, 2361435), (10, 1889148), (12, 1574290), (15, 1259432), (20, 944574), (24, 787145), (30, 629716), (40, 472287), (60, 314858), (120, 157429)]