30887560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70199}}^1$

素因数の和:70221

約数の個数: 32

約数和(自身を含む): 75816000

約数和(自身を除く): 44928440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 70199, 140398, 280796, 350995, 561592, 701990, 772189, 1403980, 1544378, 2807960, 3088756, 3860945, 6177512, 7721890, 15443780, 30887560]

約数ペア:

[(1, 30887560), (2, 15443780), (4, 7721890), (5, 6177512), (8, 3860945), (10, 3088756), (11, 2807960), (20, 1544378), (22, 1403980), (40, 772189), (44, 701990), (55, 561592), (88, 350995), (110, 280796), (220, 140398), (440, 70199)]