87747880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11731}}^1$

素因数の和:11770

約数の個数: 64

約数和(自身を含む): 228070080

約数和(自身を除く): 140322200

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 11731, 23462, 46924, 58655, 93848, 117310, 129041, 199427, 234620, 258082, 398854, 469240, 516164, 645205, 797708, 997135, 1032328, 1290410, 1595416, 1994270, 2193697, 2580820, 3988540, 4387394, 5161640, 7977080, 8774788, 10968485, 17549576, 21936970, 43873940, 87747880]

約数ペア:

[(1, 87747880), (2, 43873940), (4, 21936970), (5, 17549576), (8, 10968485), (10, 8774788), (11, 7977080), (17, 5161640), (20, 4387394), (22, 3988540), (34, 2580820), (40, 2193697), (44, 1994270), (55, 1595416), (68, 1290410), (85, 1032328), (88, 997135), (110, 797708), (136, 645205), (170, 516164), (187, 469240), (220, 398854), (340, 258082), (374, 234620), (440, 199427), (680, 129041), (748, 117310), (935, 93848), (1496, 58655), (1870, 46924), (3740, 23462), (7480, 11731)]