15815560

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1459}}^1$

素因数の和:1741

約数の個数: 32

約数和(自身を含む): 35740800

約数和(自身を除く): 19925240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 1459, 2168, 2710, 2918, 5420, 5836, 7295, 10840, 11672, 14590, 29180, 58360, 395389, 790778, 1581556, 1976945, 3163112, 3953890, 7907780, 15815560]

約数ペア:

[(1, 15815560), (2, 7907780), (4, 3953890), (5, 3163112), (8, 1976945), (10, 1581556), (20, 790778), (40, 395389), (271, 58360), (542, 29180), (1084, 14590), (1355, 11672), (1459, 10840), (2168, 7295), (2710, 5836), (2918, 5420)]