31220340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{520339}}^1$

素因数の和:520351

約数の個数: 24

約数和(自身を含む): 87417120

約数和(自身を除く): 56196780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 520339, 1040678, 1561017, 2081356, 2601695, 3122034, 5203390, 6244068, 7805085, 10406780, 15610170, 31220340]

約数ペア:

[(1, 31220340), (2, 15610170), (3, 10406780), (4, 7805085), (5, 6244068), (6, 5203390), (10, 3122034), (12, 2601695), (15, 2081356), (20, 1561017), (30, 1040678), (60, 520339)]