90687080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:531

約数の個数: 96

約数和(自身を含む): 230254920

約数和(自身を除く): 139567840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 121, 164, 205, 220, 242, 328, 410, 440, 451, 457, 484, 605, 820, 902, 914, 968, 1210, 1640, 1804, 1828, 2255, 2285, 2420, 3608, 3656, 4510, 4570, 4840, 4961, 5027, 9020, 9140, 9922, 10054, 18040, 18280, 18737, 19844, 20108, 24805, 25135, 37474, 39688, 40216, 49610, 50270, 55297, 74948, 93685, 99220, 100540, 110594, 149896, 187370, 198440, 201080, 206107, 221188, 276485, 374740, 412214, 442376, 552970, 749480, 824428, 1030535, 1105940, 1648856, 2061070, 2211880, 2267177, 4122140, 4534354, 8244280, 9068708, 11335885, 18137416, 22671770, 45343540, 90687080]

約数ペア:

[(1, 90687080), (2, 45343540), (4, 22671770), (5, 18137416), (8, 11335885), (10, 9068708), (11, 8244280), (20, 4534354), (22, 4122140), (40, 2267177), (41, 2211880), (44, 2061070), (55, 1648856), (82, 1105940), (88, 1030535), (110, 824428), (121, 749480), (164, 552970), (205, 442376), (220, 412214), (242, 374740), (328, 276485), (410, 221188), (440, 206107), (451, 201080), (457, 198440), (484, 187370), (605, 149896), (820, 110594), (902, 100540), (914, 99220), (968, 93685), (1210, 74948), (1640, 55297), (1804, 50270), (1828, 49610), (2255, 40216), (2285, 39688), (2420, 37474), (3608, 25135), (3656, 24805), (4510, 20108), (4570, 19844), (4840, 18737), (4961, 18280), (5027, 18040), (9020, 10054), (9140, 9922)]