816207920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{84319}}^1$

素因数の和:84354

約数の個数: 60

約数和(自身を含む): 2085908160

約数和(自身を除く): 1269700240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 84319, 168638, 337276, 421595, 674552, 843190, 927509, 1349104, 1686380, 1855018, 3372760, 3710036, 4637545, 6745520, 7420072, 9275090, 10202599, 14840144, 18550180, 20405198, 37100360, 40810396, 51012995, 74200720, 81620792, 102025990, 163241584, 204051980, 408103960, 816207920]

約数ペア:

[(1, 816207920), (2, 408103960), (4, 204051980), (5, 163241584), (8, 102025990), (10, 81620792), (11, 74200720), (16, 51012995), (20, 40810396), (22, 37100360), (40, 20405198), (44, 18550180), (55, 14840144), (80, 10202599), (88, 9275090), (110, 7420072), (121, 6745520), (176, 4637545), (220, 3710036), (242, 3372760), (440, 1855018), (484, 1686380), (605, 1349104), (880, 927509), (968, 843190), (1210, 674552), (1936, 421595), (2420, 337276), (4840, 168638), (9680, 84319)]