86718520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{977}}^1$

素因数の和:1312

約数の個数: 64

約数和(自身を含む): 223922880

約数和(自身を除く): 137204360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 317, 634, 977, 1268, 1585, 1954, 2219, 2536, 3170, 3908, 4438, 4885, 6340, 6839, 7816, 8876, 9770, 11095, 12680, 13678, 17752, 19540, 22190, 27356, 34195, 39080, 44380, 54712, 68390, 88760, 136780, 273560, 309709, 619418, 1238836, 1548545, 2167963, 2477672, 3097090, 4335926, 6194180, 8671852, 10839815, 12388360, 17343704, 21679630, 43359260, 86718520]

約数ペア:

[(1, 86718520), (2, 43359260), (4, 21679630), (5, 17343704), (7, 12388360), (8, 10839815), (10, 8671852), (14, 6194180), (20, 4335926), (28, 3097090), (35, 2477672), (40, 2167963), (56, 1548545), (70, 1238836), (140, 619418), (280, 309709), (317, 273560), (634, 136780), (977, 88760), (1268, 68390), (1585, 54712), (1954, 44380), (2219, 39080), (2536, 34195), (3170, 27356), (3908, 22190), (4438, 19540), (4885, 17752), (6340, 13678), (6839, 12680), (7816, 11095), (8876, 9770)]