278148540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4635809}}^1$

素因数の和:4635821

約数の個数: 24

約数和(自身を含む): 778816080

約数和(自身を除く): 500667540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4635809, 9271618, 13907427, 18543236, 23179045, 27814854, 46358090, 55629708, 69537135, 92716180, 139074270, 278148540]

約数ペア:

[(1, 278148540), (2, 139074270), (3, 92716180), (4, 69537135), (5, 55629708), (6, 46358090), (10, 27814854), (12, 23179045), (15, 18543236), (20, 13907427), (30, 9271618), (60, 4635809)]