81490464

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{887}}^1$

素因数の和:943

約数の個数: 144

約数和(自身を含む): 261817920

約数和(自身を除く): 180327456

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 29, 32, 33, 36, 44, 48, 58, 66, 72, 87, 88, 96, 99, 116, 132, 144, 174, 176, 198, 232, 261, 264, 288, 319, 348, 352, 396, 464, 522, 528, 638, 696, 792, 887, 928, 957, 1044, 1056, 1276, 1392, 1584, 1774, 1914, 2088, 2552, 2661, 2784, 2871, 3168, 3548, 3828, 4176, 5104, 5322, 5742, 7096, 7656, 7983, 8352, 9757, 10208, 10644, 11484, 14192, 15312, 15966, 19514, 21288, 22968, 25723, 28384, 29271, 30624, 31932, 39028, 42576, 45936, 51446, 58542, 63864, 77169, 78056, 85152, 87813, 91872, 102892, 117084, 127728, 154338, 156112, 175626, 205784, 231507, 234168, 255456, 282953, 308676, 312224, 351252, 411568, 463014, 468336, 565906, 617352, 702504, 823136, 848859, 926028, 936672, 1131812, 1234704, 1405008, 1697718, 1852056, 2263624, 2469408, 2546577, 2810016, 3395436, 3704112, 4527248, 5093154, 6790872, 7408224, 9054496, 10186308, 13581744, 20372616, 27163488, 40745232, 81490464]

約数ペア:

[(1, 81490464), (2, 40745232), (3, 27163488), (4, 20372616), (6, 13581744), (8, 10186308), (9, 9054496), (11, 7408224), (12, 6790872), (16, 5093154), (18, 4527248), (22, 3704112), (24, 3395436), (29, 2810016), (32, 2546577), (33, 2469408), (36, 2263624), (44, 1852056), (48, 1697718), (58, 1405008), (66, 1234704), (72, 1131812), (87, 936672), (88, 926028), (96, 848859), (99, 823136), (116, 702504), (132, 617352), (144, 565906), (174, 468336), (176, 463014), (198, 411568), (232, 351252), (261, 312224), (264, 308676), (288, 282953), (319, 255456), (348, 234168), (352, 231507), (396, 205784), (464, 175626), (522, 156112), (528, 154338), (638, 127728), (696, 117084), (792, 102892), (887, 91872), (928, 87813), (957, 85152), (1044, 78056), (1056, 77169), (1276, 63864), (1392, 58542), (1584, 51446), (1774, 45936), (1914, 42576), (2088, 39028), (2552, 31932), (2661, 30624), (2784, 29271), (2871, 28384), (3168, 25723), (3548, 22968), (3828, 21288), (4176, 19514), (5104, 15966), (5322, 15312), (5742, 14192), (7096, 11484), (7656, 10644), (7983, 10208), (8352, 9757)]