157439340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20341}}^1$

素因数の和:20399

約数の個数: 72

約数和(自身を含む): 488696208

約数和(自身を除く): 331256868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 20341, 40682, 61023, 81364, 101705, 122046, 183069, 203410, 244092, 305115, 366138, 406820, 610230, 732276, 874663, 915345, 1220460, 1749326, 1830690, 2623989, 3498652, 3661380, 4373315, 5247978, 7871967, 8746630, 10495956, 13119945, 15743934, 17493260, 26239890, 31487868, 39359835, 52479780, 78719670, 157439340]

約数ペア:

[(1, 157439340), (2, 78719670), (3, 52479780), (4, 39359835), (5, 31487868), (6, 26239890), (9, 17493260), (10, 15743934), (12, 13119945), (15, 10495956), (18, 8746630), (20, 7871967), (30, 5247978), (36, 4373315), (43, 3661380), (45, 3498652), (60, 2623989), (86, 1830690), (90, 1749326), (129, 1220460), (172, 915345), (180, 874663), (215, 732276), (258, 610230), (387, 406820), (430, 366138), (516, 305115), (645, 244092), (774, 203410), (860, 183069), (1290, 122046), (1548, 101705), (1935, 81364), (2580, 61023), (3870, 40682), (7740, 20341)]