31275480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{260629}}^1$

素因数の和:260643

約数の個数: 32

約数和(自身を含む): 93826800

約数和(自身を除く): 62551320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 260629, 521258, 781887, 1042516, 1303145, 1563774, 2085032, 2606290, 3127548, 3909435, 5212580, 6255096, 7818870, 10425160, 15637740, 31275480]

約数ペア:

[(1, 31275480), (2, 15637740), (3, 10425160), (4, 7818870), (5, 6255096), (6, 5212580), (8, 3909435), (10, 3127548), (12, 2606290), (15, 2085032), (20, 1563774), (24, 1303145), (30, 1042516), (40, 781887), (60, 521258), (120, 260629)]