68914160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1129}}^1$

素因数の和:1258

約数の個数: 80

約数和(自身を含む): 184958400

約数和(自身を除く): 116044240

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, 763, 872, 1090, 1129, 1526, 1744, 2180, 2258, 3052, 3815, 4360, 4516, 5645, 6104, 7630, 7903, 8720, 9032, 11290, 12208, 15260, 15806, 18064, 22580, 30520, 31612, 39515, 45160, 61040, 63224, 79030, 90320, 123061, 126448, 158060, 246122, 316120, 492244, 615305, 632240, 861427, 984488, 1230610, 1722854, 1968976, 2461220, 3445708, 4307135, 4922440, 6891416, 8614270, 9844880, 13782832, 17228540, 34457080, 68914160]

約数ペア:

[(1, 68914160), (2, 34457080), (4, 17228540), (5, 13782832), (7, 9844880), (8, 8614270), (10, 6891416), (14, 4922440), (16, 4307135), (20, 3445708), (28, 2461220), (35, 1968976), (40, 1722854), (56, 1230610), (70, 984488), (80, 861427), (109, 632240), (112, 615305), (140, 492244), (218, 316120), (280, 246122), (436, 158060), (545, 126448), (560, 123061), (763, 90320), (872, 79030), (1090, 63224), (1129, 61040), (1526, 45160), (1744, 39515), (2180, 31612), (2258, 30520), (3052, 22580), (3815, 18064), (4360, 15806), (4516, 15260), (5645, 12208), (6104, 11290), (7630, 9032), (7903, 8720)]