1520768100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{117889}}^1$

素因数の和:117949

約数の個数: 72

約数和(自身を含む): 4502454880

約数和(自身を除く): 2981686780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 75, 86, 100, 129, 150, 172, 215, 258, 300, 430, 516, 645, 860, 1075, 1290, 2150, 2580, 3225, 4300, 6450, 12900, 117889, 235778, 353667, 471556, 589445, 707334, 1178890, 1414668, 1768335, 2357780, 2947225, 3536670, 5069227, 5894450, 7073340, 8841675, 10138454, 11788900, 15207681, 17683350, 20276908, 25346135, 30415362, 35366700, 50692270, 60830724, 76038405, 101384540, 126730675, 152076810, 253461350, 304153620, 380192025, 506922700, 760384050, 1520768100]

約数ペア:

[(1, 1520768100), (2, 760384050), (3, 506922700), (4, 380192025), (5, 304153620), (6, 253461350), (10, 152076810), (12, 126730675), (15, 101384540), (20, 76038405), (25, 60830724), (30, 50692270), (43, 35366700), (50, 30415362), (60, 25346135), (75, 20276908), (86, 17683350), (100, 15207681), (129, 11788900), (150, 10138454), (172, 8841675), (215, 7073340), (258, 5894450), (300, 5069227), (430, 3536670), (516, 2947225), (645, 2357780), (860, 1768335), (1075, 1414668), (1290, 1178890), (2150, 707334), (2580, 589445), (3225, 471556), (4300, 353667), (6450, 235778), (12900, 117889)]