79468840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1009}}^1$

素因数の和:1210

約数の個数: 64

約数和(自身を含む): 196344000

約数和(自身を除く): 116875160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 179, 220, 358, 440, 716, 895, 1009, 1432, 1790, 1969, 2018, 3580, 3938, 4036, 5045, 7160, 7876, 8072, 9845, 10090, 11099, 15752, 19690, 20180, 22198, 39380, 40360, 44396, 55495, 78760, 88792, 110990, 180611, 221980, 361222, 443960, 722444, 903055, 1444888, 1806110, 1986721, 3612220, 3973442, 7224440, 7946884, 9933605, 15893768, 19867210, 39734420, 79468840]

約数ペア:

[(1, 79468840), (2, 39734420), (4, 19867210), (5, 15893768), (8, 9933605), (10, 7946884), (11, 7224440), (20, 3973442), (22, 3612220), (40, 1986721), (44, 1806110), (55, 1444888), (88, 903055), (110, 722444), (179, 443960), (220, 361222), (358, 221980), (440, 180611), (716, 110990), (895, 88792), (1009, 78760), (1432, 55495), (1790, 44396), (1969, 40360), (2018, 39380), (3580, 22198), (3938, 20180), (4036, 19690), (5045, 15752), (7160, 11099), (7876, 10090), (8072, 9845)]