128621600

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3739}}^1$

素因数の和:3802

約数の個数: 72

約数和(自身を含む): 321385680

約数和(自身を除く): 192764080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 160, 172, 200, 215, 344, 400, 430, 688, 800, 860, 1075, 1376, 1720, 2150, 3440, 3739, 4300, 6880, 7478, 8600, 14956, 17200, 18695, 29912, 34400, 37390, 59824, 74780, 93475, 119648, 149560, 160777, 186950, 299120, 321554, 373900, 598240, 643108, 747800, 803885, 1286216, 1495600, 1607770, 2572432, 2991200, 3215540, 4019425, 5144864, 6431080, 8038850, 12862160, 16077700, 25724320, 32155400, 64310800, 128621600]

約数ペア:

[(1, 128621600), (2, 64310800), (4, 32155400), (5, 25724320), (8, 16077700), (10, 12862160), (16, 8038850), (20, 6431080), (25, 5144864), (32, 4019425), (40, 3215540), (43, 2991200), (50, 2572432), (80, 1607770), (86, 1495600), (100, 1286216), (160, 803885), (172, 747800), (200, 643108), (215, 598240), (344, 373900), (400, 321554), (430, 299120), (688, 186950), (800, 160777), (860, 149560), (1075, 119648), (1376, 93475), (1720, 74780), (2150, 59824), (3440, 37390), (3739, 34400), (4300, 29912), (6880, 18695), (7478, 17200), (8600, 14956)]