315096920

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{60133}}^1$

素因数の和:60275

約数の個数: 32

約数和(自身を含む): 714391920

約数和(自身を除く): 399295000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 60133, 120266, 240532, 300665, 481064, 601330, 1202660, 2405320, 7877423, 15754846, 31509692, 39387115, 63019384, 78774230, 157548460, 315096920]

約数ペア:

[(1, 315096920), (2, 157548460), (4, 78774230), (5, 63019384), (8, 39387115), (10, 31509692), (20, 15754846), (40, 7877423), (131, 2405320), (262, 1202660), (524, 601330), (655, 481064), (1048, 300665), (1310, 240532), (2620, 120266), (5240, 60133)]