178975728

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:791

約数の個数: 120

約数和(自身を含む): 535867488

約数和(自身を除く): 356891760

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 113, 136, 144, 153, 204, 226, 272, 306, 339, 408, 452, 612, 647, 678, 816, 904, 1017, 1224, 1294, 1356, 1808, 1921, 1941, 2034, 2448, 2588, 2712, 3842, 3882, 4068, 5176, 5424, 5763, 5823, 7684, 7764, 8136, 10352, 10999, 11526, 11646, 15368, 15528, 16272, 17289, 21998, 23052, 23292, 30736, 31056, 32997, 34578, 43996, 46104, 46584, 65994, 69156, 73111, 87992, 92208, 93168, 98991, 131988, 138312, 146222, 175984, 197982, 219333, 263976, 276624, 292444, 395964, 438666, 527952, 584888, 657999, 791928, 877332, 1169776, 1242887, 1315998, 1583856, 1754664, 2485774, 2631996, 3509328, 3728661, 4971548, 5263992, 7457322, 9943096, 10527984, 11185983, 14914644, 19886192, 22371966, 29829288, 44743932, 59658576, 89487864, 178975728]

約数ペア:

[(1, 178975728), (2, 89487864), (3, 59658576), (4, 44743932), (6, 29829288), (8, 22371966), (9, 19886192), (12, 14914644), (16, 11185983), (17, 10527984), (18, 9943096), (24, 7457322), (34, 5263992), (36, 4971548), (48, 3728661), (51, 3509328), (68, 2631996), (72, 2485774), (102, 1754664), (113, 1583856), (136, 1315998), (144, 1242887), (153, 1169776), (204, 877332), (226, 791928), (272, 657999), (306, 584888), (339, 527952), (408, 438666), (452, 395964), (612, 292444), (647, 276624), (678, 263976), (816, 219333), (904, 197982), (1017, 175984), (1224, 146222), (1294, 138312), (1356, 131988), (1808, 98991), (1921, 93168), (1941, 92208), (2034, 87992), (2448, 73111), (2588, 69156), (2712, 65994), (3842, 46584), (3882, 46104), (4068, 43996), (5176, 34578), (5424, 32997), (5763, 31056), (5823, 30736), (7684, 23292), (7764, 23052), (8136, 21998), (10352, 17289), (10999, 16272), (11526, 15528), (11646, 15368)]