30179960

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{919}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 68061600

約数和(自身を除く): 37881640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 919, 1642, 1838, 3284, 3676, 4105, 4595, 6568, 7352, 8210, 9190, 16420, 18380, 32840, 36760, 754499, 1508998, 3017996, 3772495, 6035992, 7544990, 15089980, 30179960]

約数ペア:

[(1, 30179960), (2, 15089980), (4, 7544990), (5, 6035992), (8, 3772495), (10, 3017996), (20, 1508998), (40, 754499), (821, 36760), (919, 32840), (1642, 18380), (1838, 16420), (3284, 9190), (3676, 8210), (4105, 7352), (4595, 6568)]