31991220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{59243}}^1$

素因数の和:59261

約数の個数: 48

約数和(自身を含む): 99529920

約数和(自身を除く): 67538700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 59243, 118486, 177729, 236972, 296215, 355458, 533187, 592430, 710916, 888645, 1066374, 1184860, 1599561, 1777290, 2132748, 2665935, 3199122, 3554580, 5331870, 6398244, 7997805, 10663740, 15995610, 31991220]

約数ペア:

[(1, 31991220), (2, 15995610), (3, 10663740), (4, 7997805), (5, 6398244), (6, 5331870), (9, 3554580), (10, 3199122), (12, 2665935), (15, 2132748), (18, 1777290), (20, 1599561), (27, 1184860), (30, 1066374), (36, 888645), (45, 710916), (54, 592430), (60, 533187), (90, 355458), (108, 296215), (135, 236972), (180, 177729), (270, 118486), (540, 59243)]