87177860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{8087}}^1$

素因数の和:8121

約数の個数: 72

約数和(自身を含む): 232352064

約数和(自身を除く): 145174204

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 8087, 10780, 16174, 32348, 40435, 56609, 80870, 88957, 113218, 161740, 177914, 226436, 283045, 355828, 396263, 444785, 566090, 622699, 792526, 889570, 1132180, 1245398, 1585052, 1779140, 1981315, 2490796, 3113495, 3962630, 4358893, 6226990, 7925260, 8717786, 12453980, 17435572, 21794465, 43588930, 87177860]

約数ペア:

[(1, 87177860), (2, 43588930), (4, 21794465), (5, 17435572), (7, 12453980), (10, 8717786), (11, 7925260), (14, 6226990), (20, 4358893), (22, 3962630), (28, 3113495), (35, 2490796), (44, 1981315), (49, 1779140), (55, 1585052), (70, 1245398), (77, 1132180), (98, 889570), (110, 792526), (140, 622699), (154, 566090), (196, 444785), (220, 396263), (245, 355828), (308, 283045), (385, 226436), (490, 177914), (539, 161740), (770, 113218), (980, 88957), (1078, 80870), (1540, 56609), (2156, 40435), (2695, 32348), (5390, 16174), (8087, 10780)]