1266778740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21112979}}^1$

素因数の和:21112991

約数の個数: 24

約数和(自身を含む): 3546980640

約数和(自身を除く): 2280201900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21112979, 42225958, 63338937, 84451916, 105564895, 126677874, 211129790, 253355748, 316694685, 422259580, 633389370, 1266778740]

約数ペア:

[(1, 1266778740), (2, 633389370), (3, 422259580), (4, 316694685), (5, 253355748), (6, 211129790), (10, 126677874), (12, 105564895), (15, 84451916), (20, 63338937), (30, 42225958), (60, 21112979)]