121917720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1015981}}^1$

素因数の和:1015995

約数の個数: 32

約数和(自身を含む): 365753520

約数和(自身を除く): 243835800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1015981, 2031962, 3047943, 4063924, 5079905, 6095886, 8127848, 10159810, 12191772, 15239715, 20319620, 24383544, 30479430, 40639240, 60958860, 121917720]

約数ペア:

[(1, 121917720), (2, 60958860), (3, 40639240), (4, 30479430), (5, 24383544), (6, 20319620), (8, 15239715), (10, 12191772), (12, 10159810), (15, 8127848), (20, 6095886), (24, 5079905), (30, 4063924), (40, 3047943), (60, 2031962), (120, 1015981)]