2077880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 5503680

約数和(自身を除く): 3425800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 181, 205, 280, 287, 328, 362, 410, 574, 724, 820, 905, 1148, 1267, 1435, 1448, 1640, 1810, 2296, 2534, 2870, 3620, 5068, 5740, 6335, 7240, 7421, 10136, 11480, 12670, 14842, 25340, 29684, 37105, 50680, 51947, 59368, 74210, 103894, 148420, 207788, 259735, 296840, 415576, 519470, 1038940, 2077880]

約数ペア:

[(1, 2077880), (2, 1038940), (4, 519470), (5, 415576), (7, 296840), (8, 259735), (10, 207788), (14, 148420), (20, 103894), (28, 74210), (35, 59368), (40, 51947), (41, 50680), (56, 37105), (70, 29684), (82, 25340), (140, 14842), (164, 12670), (181, 11480), (205, 10136), (280, 7421), (287, 7240), (328, 6335), (362, 5740), (410, 5068), (574, 3620), (724, 2870), (820, 2534), (905, 2296), (1148, 1810), (1267, 1640), (1435, 1448)]