8656980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{919}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 24420480

約数和(自身を除く): 15763500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 919, 942, 1570, 1838, 1884, 2355, 2757, 3140, 3676, 4595, 4710, 5514, 9190, 9420, 11028, 13785, 18380, 27570, 55140, 144283, 288566, 432849, 577132, 721415, 865698, 1442830, 1731396, 2164245, 2885660, 4328490, 8656980]

約数ペア:

[(1, 8656980), (2, 4328490), (3, 2885660), (4, 2164245), (5, 1731396), (6, 1442830), (10, 865698), (12, 721415), (15, 577132), (20, 432849), (30, 288566), (60, 144283), (157, 55140), (314, 27570), (471, 18380), (628, 13785), (785, 11028), (919, 9420), (942, 9190), (1570, 5514), (1838, 4710), (1884, 4595), (2355, 3676), (2757, 3140)]