31571460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4079}}^1$

素因数の和:4137

約数の個数: 72

約数和(自身を含む): 98017920

約数和(自身を除く): 66446460

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, 4079, 7740, 8158, 12237, 16316, 20395, 24474, 36711, 40790, 48948, 61185, 73422, 81580, 122370, 146844, 175397, 183555, 244740, 350794, 367110, 526191, 701588, 734220, 876985, 1052382, 1578573, 1753970, 2104764, 2630955, 3157146, 3507940, 5261910, 6314292, 7892865, 10523820, 15785730, 31571460]

約数ペア:

[(1, 31571460), (2, 15785730), (3, 10523820), (4, 7892865), (5, 6314292), (6, 5261910), (9, 3507940), (10, 3157146), (12, 2630955), (15, 2104764), (18, 1753970), (20, 1578573), (30, 1052382), (36, 876985), (43, 734220), (45, 701588), (60, 526191), (86, 367110), (90, 350794), (129, 244740), (172, 183555), (180, 175397), (215, 146844), (258, 122370), (387, 81580), (430, 73422), (516, 61185), (645, 48948), (774, 40790), (860, 36711), (1290, 24474), (1548, 20395), (1935, 16316), (2580, 12237), (3870, 8158), (4079, 7740)]