71789580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3659}}^1$

素因数の和:3783

約数の個数: 72

約数和(自身を含む): 219819600

約数和(自身を除く): 148030020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3659, 3924, 4905, 6540, 7318, 9810, 10977, 14636, 18295, 19620, 21954, 32931, 36590, 43908, 54885, 65862, 73180, 109770, 131724, 164655, 219540, 329310, 398831, 658620, 797662, 1196493, 1595324, 1994155, 2392986, 3589479, 3988310, 4785972, 5982465, 7178958, 7976620, 11964930, 14357916, 17947395, 23929860, 35894790, 71789580]

約数ペア:

[(1, 71789580), (2, 35894790), (3, 23929860), (4, 17947395), (5, 14357916), (6, 11964930), (9, 7976620), (10, 7178958), (12, 5982465), (15, 4785972), (18, 3988310), (20, 3589479), (30, 2392986), (36, 1994155), (45, 1595324), (60, 1196493), (90, 797662), (109, 658620), (180, 398831), (218, 329310), (327, 219540), (436, 164655), (545, 131724), (654, 109770), (981, 73180), (1090, 65862), (1308, 54885), (1635, 43908), (1962, 36590), (2180, 32931), (3270, 21954), (3659, 19620), (3924, 18295), (4905, 14636), (6540, 10977), (7318, 9810)]