1644320

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 3991680

約数和(自身を除く): 2347360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 239, 344, 430, 478, 688, 860, 956, 1195, 1376, 1720, 1912, 2390, 3440, 3824, 4780, 6880, 7648, 9560, 10277, 19120, 20554, 38240, 41108, 51385, 82216, 102770, 164432, 205540, 328864, 411080, 822160, 1644320]

約数ペア:

[(1, 1644320), (2, 822160), (4, 411080), (5, 328864), (8, 205540), (10, 164432), (16, 102770), (20, 82216), (32, 51385), (40, 41108), (43, 38240), (80, 20554), (86, 19120), (160, 10277), (172, 9560), (215, 7648), (239, 6880), (344, 4780), (430, 3824), (478, 3440), (688, 2390), (860, 1912), (956, 1720), (1195, 1376)]