66477720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{553981}}^1$

素因数の和:553995

約数の個数: 32

約数和(自身を含む): 199433520

約数和(自身を除く): 132955800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 553981, 1107962, 1661943, 2215924, 2769905, 3323886, 4431848, 5539810, 6647772, 8309715, 11079620, 13295544, 16619430, 22159240, 33238860, 66477720]

約数ペア:

[(1, 66477720), (2, 33238860), (3, 22159240), (4, 16619430), (5, 13295544), (6, 11079620), (8, 8309715), (10, 6647772), (12, 5539810), (15, 4431848), (20, 3323886), (24, 2769905), (30, 2215924), (40, 1661943), (60, 1107962), (120, 553981)]