80725792

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 204240960

約数和(自身を除く): 123515168

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 29, 32, 34, 43, 56, 58, 68, 86, 112, 116, 119, 136, 172, 203, 224, 232, 238, 272, 289, 301, 344, 406, 464, 476, 493, 544, 578, 602, 688, 731, 812, 928, 952, 986, 1156, 1204, 1247, 1376, 1462, 1624, 1904, 1972, 2023, 2312, 2408, 2494, 2924, 3248, 3451, 3808, 3944, 4046, 4624, 4816, 4988, 5117, 5848, 6496, 6902, 7888, 8092, 8381, 8729, 9248, 9632, 9976, 10234, 11696, 12427, 13804, 15776, 16184, 16762, 17458, 19952, 20468, 21199, 23392, 24854, 27608, 32368, 33524, 34916, 39904, 40936, 42398, 49708, 55216, 58667, 64736, 67048, 69832, 81872, 84796, 86989, 99416, 110432, 117334, 134096, 139664, 148393, 163744, 169592, 173978, 198832, 234668, 268192, 279328, 296786, 339184, 347956, 360383, 397664, 469336, 593572, 678368, 695912, 720766, 938672, 1187144, 1391824, 1441532, 1877344, 2374288, 2522681, 2783648, 2883064, 4748576, 5045362, 5766128, 10090724, 11532256, 20181448, 40362896, 80725792]

約数ペア:

[(1, 80725792), (2, 40362896), (4, 20181448), (7, 11532256), (8, 10090724), (14, 5766128), (16, 5045362), (17, 4748576), (28, 2883064), (29, 2783648), (32, 2522681), (34, 2374288), (43, 1877344), (56, 1441532), (58, 1391824), (68, 1187144), (86, 938672), (112, 720766), (116, 695912), (119, 678368), (136, 593572), (172, 469336), (203, 397664), (224, 360383), (232, 347956), (238, 339184), (272, 296786), (289, 279328), (301, 268192), (344, 234668), (406, 198832), (464, 173978), (476, 169592), (493, 163744), (544, 148393), (578, 139664), (602, 134096), (688, 117334), (731, 110432), (812, 99416), (928, 86989), (952, 84796), (986, 81872), (1156, 69832), (1204, 67048), (1247, 64736), (1376, 58667), (1462, 55216), (1624, 49708), (1904, 42398), (1972, 40936), (2023, 39904), (2312, 34916), (2408, 33524), (2494, 32368), (2924, 27608), (3248, 24854), (3451, 23392), (3808, 21199), (3944, 20468), (4046, 19952), (4624, 17458), (4816, 16762), (4988, 16184), (5117, 15776), (5848, 13804), (6496, 12427), (6902, 11696), (7888, 10234), (8092, 9976), (8381, 9632), (8729, 9248)]