71918440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2069}}^1$

素因数の和:2170

約数の個数: 64

約数和(自身を含む): 178848000

約数和(自身を除く): 106929560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1580, 1738, 2069, 3160, 3476, 4138, 4345, 6952, 8276, 8690, 10345, 16552, 17380, 20690, 22759, 34760, 41380, 45518, 82760, 91036, 113795, 163451, 182072, 227590, 326902, 455180, 653804, 817255, 910360, 1307608, 1634510, 1797961, 3269020, 3595922, 6538040, 7191844, 8989805, 14383688, 17979610, 35959220, 71918440]

約数ペア:

[(1, 71918440), (2, 35959220), (4, 17979610), (5, 14383688), (8, 8989805), (10, 7191844), (11, 6538040), (20, 3595922), (22, 3269020), (40, 1797961), (44, 1634510), (55, 1307608), (79, 910360), (88, 817255), (110, 653804), (158, 455180), (220, 326902), (316, 227590), (395, 182072), (440, 163451), (632, 113795), (790, 91036), (869, 82760), (1580, 45518), (1738, 41380), (2069, 34760), (3160, 22759), (3476, 20690), (4138, 17380), (4345, 16552), (6952, 10345), (8276, 8690)]