30478440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{253987}}^1$

素因数の和:254001

約数の個数: 32

約数和(自身を含む): 91435680

約数和(自身を除く): 60957240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 253987, 507974, 761961, 1015948, 1269935, 1523922, 2031896, 2539870, 3047844, 3809805, 5079740, 6095688, 7619610, 10159480, 15239220, 30478440]

約数ペア:

[(1, 30478440), (2, 15239220), (3, 10159480), (4, 7619610), (5, 6095688), (6, 5079740), (8, 3809805), (10, 3047844), (12, 2539870), (15, 2031896), (20, 1523922), (24, 1269935), (30, 1015948), (40, 761961), (60, 507974), (120, 253987)]