15683780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3863}}^1$

素因数の和:3908

約数の個数: 48

約数和(自身を含む): 38949120

約数和(自身を除く): 23265340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 3863, 4060, 7726, 15452, 19315, 27041, 38630, 54082, 77260, 108164, 112027, 135205, 224054, 270410, 448108, 540820, 560135, 784189, 1120270, 1568378, 2240540, 3136756, 3920945, 7841890, 15683780]

約数ペア:

[(1, 15683780), (2, 7841890), (4, 3920945), (5, 3136756), (7, 2240540), (10, 1568378), (14, 1120270), (20, 784189), (28, 560135), (29, 540820), (35, 448108), (58, 270410), (70, 224054), (116, 135205), (140, 112027), (145, 108164), (203, 77260), (290, 54082), (406, 38630), (580, 27041), (812, 19315), (1015, 15452), (2030, 7726), (3863, 4060)]