128686656

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 168

約数和(自身を含む): 409025344

約数和(自身を除く): 280338688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 64, 69, 84, 92, 96, 112, 138, 161, 168, 181, 184, 192, 224, 276, 322, 336, 362, 368, 448, 483, 529, 543, 552, 644, 672, 724, 736, 966, 1058, 1086, 1104, 1267, 1288, 1344, 1448, 1472, 1587, 1932, 2116, 2172, 2208, 2534, 2576, 2896, 3174, 3703, 3801, 3864, 4163, 4232, 4344, 4416, 5068, 5152, 5792, 6348, 7406, 7602, 7728, 8326, 8464, 8688, 10136, 10304, 11109, 11584, 12489, 12696, 14812, 15204, 15456, 16652, 16928, 17376, 20272, 22218, 24978, 25392, 29141, 29624, 30408, 30912, 33304, 33856, 34752, 40544, 44436, 49956, 50784, 58282, 59248, 60816, 66608, 81088, 87423, 88872, 95749, 99912, 101568, 116564, 118496, 121632, 133216, 174846, 177744, 191498, 199824, 233128, 236992, 243264, 266432, 287247, 349692, 355488, 382996, 399648, 466256, 574494, 670243, 699384, 710976, 765992, 799296, 932512, 1148988, 1340486, 1398768, 1531984, 1865024, 2010729, 2297976, 2680972, 2797536, 3063968, 4021458, 4595952, 5361944, 5595072, 6127936, 8042916, 9191904, 10723888, 16085832, 18383808, 21447776, 32171664, 42895552, 64343328, 128686656]

約数ペア:

[(1, 128686656), (2, 64343328), (3, 42895552), (4, 32171664), (6, 21447776), (7, 18383808), (8, 16085832), (12, 10723888), (14, 9191904), (16, 8042916), (21, 6127936), (23, 5595072), (24, 5361944), (28, 4595952), (32, 4021458), (42, 3063968), (46, 2797536), (48, 2680972), (56, 2297976), (64, 2010729), (69, 1865024), (84, 1531984), (92, 1398768), (96, 1340486), (112, 1148988), (138, 932512), (161, 799296), (168, 765992), (181, 710976), (184, 699384), (192, 670243), (224, 574494), (276, 466256), (322, 399648), (336, 382996), (362, 355488), (368, 349692), (448, 287247), (483, 266432), (529, 243264), (543, 236992), (552, 233128), (644, 199824), (672, 191498), (724, 177744), (736, 174846), (966, 133216), (1058, 121632), (1086, 118496), (1104, 116564), (1267, 101568), (1288, 99912), (1344, 95749), (1448, 88872), (1472, 87423), (1587, 81088), (1932, 66608), (2116, 60816), (2172, 59248), (2208, 58282), (2534, 50784), (2576, 49956), (2896, 44436), (3174, 40544), (3703, 34752), (3801, 33856), (3864, 33304), (4163, 30912), (4232, 30408), (4344, 29624), (4416, 29141), (5068, 25392), (5152, 24978), (5792, 22218), (6348, 20272), (7406, 17376), (7602, 16928), (7728, 16652), (8326, 15456), (8464, 15204), (8688, 14812), (10136, 12696), (10304, 12489), (11109, 11584)]