1520687960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3456109}}^1$

素因数の和:3456131

約数の個数: 32

約数和(自身を含む): 3732598800

約数和(自身を除く): 2211910840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 3456109, 6912218, 13824436, 17280545, 27648872, 34561090, 38017199, 69122180, 76034398, 138244360, 152068796, 190085995, 304137592, 380171990, 760343980, 1520687960]

約数ペア:

[(1, 1520687960), (2, 760343980), (4, 380171990), (5, 304137592), (8, 190085995), (10, 152068796), (11, 138244360), (20, 76034398), (22, 69122180), (40, 38017199), (44, 34561090), (55, 27648872), (88, 17280545), (110, 13824436), (220, 6912218), (440, 3456109)]