81072864

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:633

約数の個数: 144

約数和(自身を含む): 252972720

約数和(自身を除く): 171899856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 29, 32, 34, 36, 48, 51, 58, 68, 72, 87, 96, 102, 116, 136, 144, 153, 174, 204, 232, 261, 272, 288, 306, 348, 408, 464, 493, 522, 544, 571, 612, 696, 816, 928, 986, 1044, 1142, 1224, 1392, 1479, 1632, 1713, 1972, 2088, 2284, 2448, 2784, 2958, 3426, 3944, 4176, 4437, 4568, 4896, 5139, 5916, 6852, 7888, 8352, 8874, 9136, 9707, 10278, 11832, 13704, 15776, 16559, 17748, 18272, 19414, 20556, 23664, 27408, 29121, 33118, 35496, 38828, 41112, 47328, 49677, 54816, 58242, 66236, 70992, 77656, 82224, 87363, 99354, 116484, 132472, 141984, 149031, 155312, 164448, 174726, 198708, 232968, 264944, 281503, 298062, 310624, 349452, 397416, 465936, 529888, 563006, 596124, 698904, 794832, 844509, 931872, 1126012, 1192248, 1397808, 1589664, 1689018, 2252024, 2384496, 2533527, 2795616, 3378036, 4504048, 4768992, 5067054, 6756072, 9008096, 10134108, 13512144, 20268216, 27024288, 40536432, 81072864]

約数ペア:

[(1, 81072864), (2, 40536432), (3, 27024288), (4, 20268216), (6, 13512144), (8, 10134108), (9, 9008096), (12, 6756072), (16, 5067054), (17, 4768992), (18, 4504048), (24, 3378036), (29, 2795616), (32, 2533527), (34, 2384496), (36, 2252024), (48, 1689018), (51, 1589664), (58, 1397808), (68, 1192248), (72, 1126012), (87, 931872), (96, 844509), (102, 794832), (116, 698904), (136, 596124), (144, 563006), (153, 529888), (174, 465936), (204, 397416), (232, 349452), (261, 310624), (272, 298062), (288, 281503), (306, 264944), (348, 232968), (408, 198708), (464, 174726), (493, 164448), (522, 155312), (544, 149031), (571, 141984), (612, 132472), (696, 116484), (816, 99354), (928, 87363), (986, 82224), (1044, 77656), (1142, 70992), (1224, 66236), (1392, 58242), (1479, 54816), (1632, 49677), (1713, 47328), (1972, 41112), (2088, 38828), (2284, 35496), (2448, 33118), (2784, 29121), (2958, 27408), (3426, 23664), (3944, 20556), (4176, 19414), (4437, 18272), (4568, 17748), (4896, 16559), (5139, 15776), (5916, 13704), (6852, 11832), (7888, 10278), (8352, 9707), (8874, 9136)]