220645392

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{821}}^1$

素因数の和:1352

約数の個数: 80

約数和(自身を含む): 623799360

約数和(自身を除く): 403153968

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 509, 528, 821, 1018, 1527, 1642, 2036, 2463, 3054, 3284, 4072, 4926, 5599, 6108, 6568, 8144, 9031, 9852, 11198, 12216, 13136, 16797, 18062, 19704, 22396, 24432, 27093, 33594, 36124, 39408, 44792, 54186, 67188, 72248, 89584, 108372, 134376, 144496, 216744, 268752, 417889, 433488, 835778, 1253667, 1671556, 2507334, 3343112, 4596779, 5014668, 6686224, 9193558, 10029336, 13790337, 18387116, 20058672, 27580674, 36774232, 55161348, 73548464, 110322696, 220645392]

約数ペア:

[(1, 220645392), (2, 110322696), (3, 73548464), (4, 55161348), (6, 36774232), (8, 27580674), (11, 20058672), (12, 18387116), (16, 13790337), (22, 10029336), (24, 9193558), (33, 6686224), (44, 5014668), (48, 4596779), (66, 3343112), (88, 2507334), (132, 1671556), (176, 1253667), (264, 835778), (509, 433488), (528, 417889), (821, 268752), (1018, 216744), (1527, 144496), (1642, 134376), (2036, 108372), (2463, 89584), (3054, 72248), (3284, 67188), (4072, 54186), (4926, 44792), (5599, 39408), (6108, 36124), (6568, 33594), (8144, 27093), (9031, 24432), (9852, 22396), (11198, 19704), (12216, 18062), (13136, 16797)]