30967740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4001}}^1$

素因数の和:4059

約数の個数: 72

約数和(自身を含む): 96144048

約数和(自身を除く): 65176308

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, 4001, 7740, 8002, 12003, 16004, 20005, 24006, 36009, 40010, 48012, 60015, 72018, 80020, 120030, 144036, 172043, 180045, 240060, 344086, 360090, 516129, 688172, 720180, 860215, 1032258, 1548387, 1720430, 2064516, 2580645, 3096774, 3440860, 5161290, 6193548, 7741935, 10322580, 15483870, 30967740]

約数ペア:

[(1, 30967740), (2, 15483870), (3, 10322580), (4, 7741935), (5, 6193548), (6, 5161290), (9, 3440860), (10, 3096774), (12, 2580645), (15, 2064516), (18, 1720430), (20, 1548387), (30, 1032258), (36, 860215), (43, 720180), (45, 688172), (60, 516129), (86, 360090), (90, 344086), (129, 240060), (172, 180045), (180, 172043), (215, 144036), (258, 120030), (387, 80020), (430, 72018), (516, 60015), (645, 48012), (774, 40010), (860, 36009), (1290, 24006), (1548, 20005), (1935, 16004), (2580, 12003), (3870, 8002), (4001, 7740)]