31765740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1361}}^1$

素因数の和:1762

約数の個数: 48

約数和(自身を含む): 89238240

約数和(自身を除く): 57472500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 389, 778, 1167, 1361, 1556, 1945, 2334, 2722, 3890, 4083, 4668, 5444, 5835, 6805, 7780, 8166, 11670, 13610, 16332, 20415, 23340, 27220, 40830, 81660, 529429, 1058858, 1588287, 2117716, 2647145, 3176574, 5294290, 6353148, 7941435, 10588580, 15882870, 31765740]

約数ペア:

[(1, 31765740), (2, 15882870), (3, 10588580), (4, 7941435), (5, 6353148), (6, 5294290), (10, 3176574), (12, 2647145), (15, 2117716), (20, 1588287), (30, 1058858), (60, 529429), (389, 81660), (778, 40830), (1167, 27220), (1361, 23340), (1556, 20415), (1945, 16332), (2334, 13610), (2722, 11670), (3890, 8166), (4083, 7780), (4668, 6805), (5444, 5835)]