280865664

素因数分解:

$2^7\times 3^3\times {\mathrm{181}}^1\times {\mathrm{449}}^1$

素因数の和:653

約数の個数: 128

約数和(自身を含む): 835380000

約数和(自身を除く): 554514336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 181, 192, 216, 288, 362, 384, 432, 449, 543, 576, 724, 864, 898, 1086, 1152, 1347, 1448, 1629, 1728, 1796, 2172, 2694, 2896, 3258, 3456, 3592, 4041, 4344, 4887, 5388, 5792, 6516, 7184, 8082, 8688, 9774, 10776, 11584, 12123, 13032, 14368, 16164, 17376, 19548, 21552, 23168, 24246, 26064, 28736, 32328, 34752, 39096, 43104, 48492, 52128, 57472, 64656, 69504, 78192, 81269, 86208, 96984, 104256, 129312, 156384, 162538, 172416, 193968, 208512, 243807, 258624, 312768, 325076, 387936, 487614, 517248, 625536, 650152, 731421, 775872, 975228, 1300304, 1462842, 1551744, 1950456, 2194263, 2600608, 2925684, 3900912, 4388526, 5201216, 5851368, 7801824, 8777052, 10402432, 11702736, 15603648, 17554104, 23405472, 31207296, 35108208, 46810944, 70216416, 93621888, 140432832, 280865664]

約数ペア:

[(1, 280865664), (2, 140432832), (3, 93621888), (4, 70216416), (6, 46810944), (8, 35108208), (9, 31207296), (12, 23405472), (16, 17554104), (18, 15603648), (24, 11702736), (27, 10402432), (32, 8777052), (36, 7801824), (48, 5851368), (54, 5201216), (64, 4388526), (72, 3900912), (96, 2925684), (108, 2600608), (128, 2194263), (144, 1950456), (181, 1551744), (192, 1462842), (216, 1300304), (288, 975228), (362, 775872), (384, 731421), (432, 650152), (449, 625536), (543, 517248), (576, 487614), (724, 387936), (864, 325076), (898, 312768), (1086, 258624), (1152, 243807), (1347, 208512), (1448, 193968), (1629, 172416), (1728, 162538), (1796, 156384), (2172, 129312), (2694, 104256), (2896, 96984), (3258, 86208), (3456, 81269), (3592, 78192), (4041, 69504), (4344, 64656), (4887, 57472), (5388, 52128), (5792, 48492), (6516, 43104), (7184, 39096), (8082, 34752), (8688, 32328), (9774, 28736), (10776, 26064), (11584, 24246), (12123, 23168), (13032, 21552), (14368, 19548), (16164, 17376)]