61540740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7951}}^1$

素因数の和:8009

約数の個数: 72

約数和(自身を含む): 191038848

約数和(自身を除く): 129498108

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, 7951, 15902, 23853, 31804, 39755, 47706, 71559, 79510, 95412, 119265, 143118, 159020, 238530, 286236, 341893, 357795, 477060, 683786, 715590, 1025679, 1367572, 1431180, 1709465, 2051358, 3077037, 3418930, 4102716, 5128395, 6154074, 6837860, 10256790, 12308148, 15385185, 20513580, 30770370, 61540740]

約数ペア:

[(1, 61540740), (2, 30770370), (3, 20513580), (4, 15385185), (5, 12308148), (6, 10256790), (9, 6837860), (10, 6154074), (12, 5128395), (15, 4102716), (18, 3418930), (20, 3077037), (30, 2051358), (36, 1709465), (43, 1431180), (45, 1367572), (60, 1025679), (86, 715590), (90, 683786), (129, 477060), (172, 357795), (180, 341893), (215, 286236), (258, 238530), (387, 159020), (430, 143118), (516, 119265), (645, 95412), (774, 79510), (860, 71559), (1290, 47706), (1548, 39755), (1935, 31804), (2580, 23853), (3870, 15902), (7740, 7951)]