1280497740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21341629}}^1$

素因数の和:21341641

約数の個数: 24

約数和(自身を含む): 3585393840

約数和(自身を除く): 2304896100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21341629, 42683258, 64024887, 85366516, 106708145, 128049774, 213416290, 256099548, 320124435, 426832580, 640248870, 1280497740]

約数ペア:

[(1, 1280497740), (2, 640248870), (3, 426832580), (4, 320124435), (5, 256099548), (6, 213416290), (10, 128049774), (12, 106708145), (15, 85366516), (20, 64024887), (30, 42683258), (60, 21341629)]