7987760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 21025440

約数和(自身を除く): 13037680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 313, 319, 440, 464, 580, 626, 638, 880, 1160, 1252, 1276, 1565, 1595, 2320, 2504, 2552, 3130, 3190, 3443, 5008, 5104, 6260, 6380, 6886, 9077, 12520, 12760, 13772, 17215, 18154, 25040, 25520, 27544, 34430, 36308, 45385, 55088, 68860, 72616, 90770, 99847, 137720, 145232, 181540, 199694, 275440, 363080, 399388, 499235, 726160, 798776, 998470, 1597552, 1996940, 3993880, 7987760]

約数ペア:

[(1, 7987760), (2, 3993880), (4, 1996940), (5, 1597552), (8, 998470), (10, 798776), (11, 726160), (16, 499235), (20, 399388), (22, 363080), (29, 275440), (40, 199694), (44, 181540), (55, 145232), (58, 137720), (80, 99847), (88, 90770), (110, 72616), (116, 68860), (145, 55088), (176, 45385), (220, 36308), (232, 34430), (290, 27544), (313, 25520), (319, 25040), (440, 18154), (464, 17215), (580, 13772), (626, 12760), (638, 12520), (880, 9077), (1160, 6886), (1252, 6380), (1276, 6260), (1565, 5104), (1595, 5008), (2320, 3443), (2504, 3190), (2552, 3130)]