311893620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{120889}}^1$

素因数の和:120944

約数の個数: 48

約数和(自身を含む): 893618880

約数和(自身を除く): 581725260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 120889, 241778, 362667, 483556, 604445, 725334, 1208890, 1450668, 1813335, 2417780, 3626670, 5198227, 7253340, 10396454, 15594681, 20792908, 25991135, 31189362, 51982270, 62378724, 77973405, 103964540, 155946810, 311893620]

約数ペア:

[(1, 311893620), (2, 155946810), (3, 103964540), (4, 77973405), (5, 62378724), (6, 51982270), (10, 31189362), (12, 25991135), (15, 20792908), (20, 15594681), (30, 10396454), (43, 7253340), (60, 5198227), (86, 3626670), (129, 2417780), (172, 1813335), (215, 1450668), (258, 1208890), (430, 725334), (516, 604445), (645, 483556), (860, 362667), (1290, 241778), (2580, 120889)]