2868880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 80

約数和(自身を含む): 7856640

約数和(自身を除く): 4987760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 109, 112, 140, 188, 218, 235, 280, 329, 376, 436, 470, 545, 560, 658, 752, 763, 872, 940, 1090, 1316, 1526, 1645, 1744, 1880, 2180, 2632, 3052, 3290, 3760, 3815, 4360, 5123, 5264, 6104, 6580, 7630, 8720, 10246, 12208, 13160, 15260, 20492, 25615, 26320, 30520, 35861, 40984, 51230, 61040, 71722, 81968, 102460, 143444, 179305, 204920, 286888, 358610, 409840, 573776, 717220, 1434440, 2868880]

約数ペア:

[(1, 2868880), (2, 1434440), (4, 717220), (5, 573776), (7, 409840), (8, 358610), (10, 286888), (14, 204920), (16, 179305), (20, 143444), (28, 102460), (35, 81968), (40, 71722), (47, 61040), (56, 51230), (70, 40984), (80, 35861), (94, 30520), (109, 26320), (112, 25615), (140, 20492), (188, 15260), (218, 13160), (235, 12208), (280, 10246), (329, 8720), (376, 7630), (436, 6580), (470, 6104), (545, 5264), (560, 5123), (658, 4360), (752, 3815), (763, 3760), (872, 3290), (940, 3052), (1090, 2632), (1316, 2180), (1526, 1880), (1645, 1744)]