121331320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{881}}^1$

素因数の和:1216

約数の個数: 64

約数和(自身を含む): 299103840

約数和(自身を除く): 177772520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 313, 440, 626, 881, 1252, 1565, 1762, 2504, 3130, 3443, 3524, 4405, 6260, 6886, 7048, 8810, 9691, 12520, 13772, 17215, 17620, 19382, 27544, 34430, 35240, 38764, 48455, 68860, 77528, 96910, 137720, 193820, 275753, 387640, 551506, 1103012, 1378765, 2206024, 2757530, 3033283, 5515060, 6066566, 11030120, 12133132, 15166415, 24266264, 30332830, 60665660, 121331320]

約数ペア:

[(1, 121331320), (2, 60665660), (4, 30332830), (5, 24266264), (8, 15166415), (10, 12133132), (11, 11030120), (20, 6066566), (22, 5515060), (40, 3033283), (44, 2757530), (55, 2206024), (88, 1378765), (110, 1103012), (220, 551506), (313, 387640), (440, 275753), (626, 193820), (881, 137720), (1252, 96910), (1565, 77528), (1762, 68860), (2504, 48455), (3130, 38764), (3443, 35240), (3524, 34430), (4405, 27544), (6260, 19382), (6886, 17620), (7048, 17215), (8810, 13772), (9691, 12520)]