131891280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{549547}}^1$

素因数の和:549563

約数の個数: 40

約数和(自身を含む): 408863712

約数和(自身を除く): 276972432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 549547, 1099094, 1648641, 2198188, 2747735, 3297282, 4396376, 5495470, 6594564, 8243205, 8792752, 10990940, 13189128, 16486410, 21981880, 26378256, 32972820, 43963760, 65945640, 131891280]

約数ペア:

[(1, 131891280), (2, 65945640), (3, 43963760), (4, 32972820), (5, 26378256), (6, 21981880), (8, 16486410), (10, 13189128), (12, 10990940), (15, 8792752), (16, 8243205), (20, 6594564), (24, 5495470), (30, 4396376), (40, 3297282), (48, 2747735), (60, 2198188), (80, 1648641), (120, 1099094), (240, 549547)]