72208840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{5659}}^1$

素因数の和:5710

約数の個数: 64

約数和(自身を含む): 183384000

約数和(自身を除く): 111175160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 5659, 6380, 11318, 12760, 22636, 28295, 45272, 56590, 62249, 113180, 124498, 164111, 226360, 248996, 311245, 328222, 497992, 622490, 656444, 820555, 1244980, 1312888, 1641110, 1805221, 2489960, 3282220, 3610442, 6564440, 7220884, 9026105, 14441768, 18052210, 36104420, 72208840]

約数ペア:

[(1, 72208840), (2, 36104420), (4, 18052210), (5, 14441768), (8, 9026105), (10, 7220884), (11, 6564440), (20, 3610442), (22, 3282220), (29, 2489960), (40, 1805221), (44, 1641110), (55, 1312888), (58, 1244980), (88, 820555), (110, 656444), (116, 622490), (145, 497992), (220, 328222), (232, 311245), (290, 248996), (319, 226360), (440, 164111), (580, 124498), (638, 113180), (1160, 62249), (1276, 56590), (1595, 45272), (2552, 28295), (3190, 22636), (5659, 12760), (6380, 11318)]