18087080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 46395720

約数和(自身を除く): 28308640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 101, 110, 121, 148, 185, 202, 220, 242, 296, 370, 404, 407, 440, 484, 505, 605, 740, 808, 814, 968, 1010, 1111, 1210, 1480, 1628, 2020, 2035, 2222, 2420, 3256, 3737, 4040, 4070, 4444, 4477, 4840, 5555, 7474, 8140, 8888, 8954, 11110, 12221, 14948, 16280, 17908, 18685, 22220, 22385, 24442, 29896, 35816, 37370, 41107, 44440, 44770, 48884, 61105, 74740, 82214, 89540, 97768, 122210, 149480, 164428, 179080, 205535, 244420, 328856, 411070, 452177, 488840, 822140, 904354, 1644280, 1808708, 2260885, 3617416, 4521770, 9043540, 18087080]

約数ペア:

[(1, 18087080), (2, 9043540), (4, 4521770), (5, 3617416), (8, 2260885), (10, 1808708), (11, 1644280), (20, 904354), (22, 822140), (37, 488840), (40, 452177), (44, 411070), (55, 328856), (74, 244420), (88, 205535), (101, 179080), (110, 164428), (121, 149480), (148, 122210), (185, 97768), (202, 89540), (220, 82214), (242, 74740), (296, 61105), (370, 48884), (404, 44770), (407, 44440), (440, 41107), (484, 37370), (505, 35816), (605, 29896), (740, 24442), (808, 22385), (814, 22220), (968, 18685), (1010, 17908), (1111, 16280), (1210, 14948), (1480, 12221), (1628, 11110), (2020, 8954), (2035, 8888), (2222, 8140), (2420, 7474), (3256, 5555), (3737, 4840), (4040, 4477), (4070, 4444)]