131821320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1098511}}^1$

素因数の和:1098525

約数の個数: 32

約数和(自身を含む): 395464320

約数和(自身を除く): 263643000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1098511, 2197022, 3295533, 4394044, 5492555, 6591066, 8788088, 10985110, 13182132, 16477665, 21970220, 26364264, 32955330, 43940440, 65910660, 131821320]

約数ペア:

[(1, 131821320), (2, 65910660), (3, 43940440), (4, 32955330), (5, 26364264), (6, 21970220), (8, 16477665), (10, 13182132), (12, 10985110), (15, 8788088), (20, 6591066), (24, 5492555), (30, 4394044), (40, 3295533), (60, 2197022), (120, 1098511)]