81667728

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:561

約数の個数: 120

約数和(自身を含む): 245852568

約数和(自身を除く): 164184840

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 73, 102, 136, 144, 146, 153, 204, 219, 272, 292, 306, 408, 438, 457, 584, 612, 657, 816, 876, 914, 1168, 1224, 1241, 1314, 1371, 1752, 1828, 2448, 2482, 2628, 2742, 3504, 3656, 3723, 4113, 4964, 5256, 5484, 7312, 7446, 7769, 8226, 9928, 10512, 10968, 11169, 14892, 15538, 16452, 19856, 21936, 22338, 23307, 29784, 31076, 32904, 33361, 44676, 46614, 59568, 62152, 65808, 66722, 69921, 89352, 93228, 100083, 124304, 133444, 139842, 178704, 186456, 200166, 266888, 279684, 300249, 372912, 400332, 533776, 559368, 567137, 600498, 800664, 1118736, 1134274, 1200996, 1601328, 1701411, 2268548, 2401992, 3402822, 4537096, 4803984, 5104233, 6805644, 9074192, 10208466, 13611288, 20416932, 27222576, 40833864, 81667728]

約数ペア:

[(1, 81667728), (2, 40833864), (3, 27222576), (4, 20416932), (6, 13611288), (8, 10208466), (9, 9074192), (12, 6805644), (16, 5104233), (17, 4803984), (18, 4537096), (24, 3402822), (34, 2401992), (36, 2268548), (48, 1701411), (51, 1601328), (68, 1200996), (72, 1134274), (73, 1118736), (102, 800664), (136, 600498), (144, 567137), (146, 559368), (153, 533776), (204, 400332), (219, 372912), (272, 300249), (292, 279684), (306, 266888), (408, 200166), (438, 186456), (457, 178704), (584, 139842), (612, 133444), (657, 124304), (816, 100083), (876, 93228), (914, 89352), (1168, 69921), (1224, 66722), (1241, 65808), (1314, 62152), (1371, 59568), (1752, 46614), (1828, 44676), (2448, 33361), (2482, 32904), (2628, 31076), (2742, 29784), (3504, 23307), (3656, 22338), (3723, 21936), (4113, 19856), (4964, 16452), (5256, 15538), (5484, 14892), (7312, 11169), (7446, 10968), (7769, 10512), (8226, 9928)]