90840640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:356

約数の個数: 112

約数和(自身を含む): 238987584

約数和(自身を除く): 148146944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 131, 160, 176, 197, 220, 262, 320, 352, 394, 440, 524, 655, 704, 788, 880, 985, 1048, 1310, 1441, 1576, 1760, 1970, 2096, 2167, 2620, 2882, 3152, 3520, 3940, 4192, 4334, 5240, 5764, 6304, 7205, 7880, 8384, 8668, 10480, 10835, 11528, 12608, 14410, 15760, 17336, 20960, 21670, 23056, 25807, 28820, 31520, 34672, 41920, 43340, 46112, 51614, 57640, 63040, 69344, 86680, 92224, 103228, 115280, 129035, 138688, 173360, 206456, 230560, 258070, 283877, 346720, 412912, 461120, 516140, 567754, 693440, 825824, 1032280, 1135508, 1419385, 1651648, 2064560, 2271016, 2838770, 4129120, 4542032, 5677540, 8258240, 9084064, 11355080, 18168128, 22710160, 45420320, 90840640]

約数ペア:

[(1, 90840640), (2, 45420320), (4, 22710160), (5, 18168128), (8, 11355080), (10, 9084064), (11, 8258240), (16, 5677540), (20, 4542032), (22, 4129120), (32, 2838770), (40, 2271016), (44, 2064560), (55, 1651648), (64, 1419385), (80, 1135508), (88, 1032280), (110, 825824), (131, 693440), (160, 567754), (176, 516140), (197, 461120), (220, 412912), (262, 346720), (320, 283877), (352, 258070), (394, 230560), (440, 206456), (524, 173360), (655, 138688), (704, 129035), (788, 115280), (880, 103228), (985, 92224), (1048, 86680), (1310, 69344), (1441, 63040), (1576, 57640), (1760, 51614), (1970, 46112), (2096, 43340), (2167, 41920), (2620, 34672), (2882, 31520), (3152, 28820), (3520, 25807), (3940, 23056), (4192, 21670), (4334, 20960), (5240, 17336), (5764, 15760), (6304, 14410), (7205, 12608), (7880, 11528), (8384, 10835), (8668, 10480)]