42789040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{701}}^1$

素因数の和:830

約数の個数: 80

約数和(自身を含む): 114903360

約数和(自身を除く): 72114320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 701, 763, 872, 1090, 1402, 1526, 1744, 2180, 2804, 3052, 3505, 3815, 4360, 4907, 5608, 6104, 7010, 7630, 8720, 9814, 11216, 12208, 14020, 15260, 19628, 24535, 28040, 30520, 39256, 49070, 56080, 61040, 76409, 78512, 98140, 152818, 196280, 305636, 382045, 392560, 534863, 611272, 764090, 1069726, 1222544, 1528180, 2139452, 2674315, 3056360, 4278904, 5348630, 6112720, 8557808, 10697260, 21394520, 42789040]

約数ペア:

[(1, 42789040), (2, 21394520), (4, 10697260), (5, 8557808), (7, 6112720), (8, 5348630), (10, 4278904), (14, 3056360), (16, 2674315), (20, 2139452), (28, 1528180), (35, 1222544), (40, 1069726), (56, 764090), (70, 611272), (80, 534863), (109, 392560), (112, 382045), (140, 305636), (218, 196280), (280, 152818), (436, 98140), (545, 78512), (560, 76409), (701, 61040), (763, 56080), (872, 49070), (1090, 39256), (1402, 30520), (1526, 28040), (1744, 24535), (2180, 19628), (2804, 15260), (3052, 14020), (3505, 12208), (3815, 11216), (4360, 9814), (4907, 8720), (5608, 7630), (6104, 7010)]