61221080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90031}}^1$

素因数の和:90059

約数の個数: 32

約数和(自身を含む): 145851840

約数和(自身を除く): 84630760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 90031, 180062, 360124, 450155, 720248, 900310, 1530527, 1800620, 3061054, 3601240, 6122108, 7652635, 12244216, 15305270, 30610540, 61221080]

約数ペア:

[(1, 61221080), (2, 30610540), (4, 15305270), (5, 12244216), (8, 7652635), (10, 6122108), (17, 3601240), (20, 3061054), (34, 1800620), (40, 1530527), (68, 900310), (85, 720248), (136, 450155), (170, 360124), (340, 180062), (680, 90031)]