278947968

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:239

約数の個数: 256

約数和(自身を含む): 894499200

約数和(自身を除く): 615551232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 19, 24, 26, 32, 34, 38, 39, 48, 51, 52, 57, 64, 68, 76, 78, 96, 102, 104, 114, 128, 136, 152, 156, 173, 192, 204, 208, 221, 228, 247, 272, 304, 312, 323, 346, 384, 408, 416, 442, 456, 494, 519, 544, 608, 624, 646, 663, 692, 741, 816, 832, 884, 912, 969, 988, 1038, 1088, 1216, 1248, 1292, 1326, 1384, 1482, 1632, 1664, 1768, 1824, 1938, 1976, 2076, 2176, 2249, 2432, 2496, 2584, 2652, 2768, 2941, 2964, 3264, 3287, 3536, 3648, 3876, 3952, 4152, 4199, 4498, 4992, 5168, 5304, 5536, 5882, 5928, 6528, 6574, 6747, 7072, 7296, 7752, 7904, 8304, 8398, 8823, 8996, 9861, 10336, 10608, 11072, 11764, 11856, 12597, 13148, 13494, 14144, 15504, 15808, 16608, 16796, 17646, 17992, 19722, 20672, 21216, 22144, 23528, 23712, 25194, 26296, 26988, 28288, 31008, 31616, 33216, 33592, 35292, 35984, 38233, 39444, 41344, 42432, 42731, 47056, 47424, 50388, 52592, 53976, 55879, 62016, 66432, 67184, 70584, 71968, 76466, 78888, 84864, 85462, 94112, 94848, 100776, 105184, 107952, 111758, 114699, 124032, 128193, 134368, 141168, 143936, 152932, 157776, 167637, 170924, 188224, 201552, 210368, 215904, 223516, 229398, 256386, 268736, 282336, 287872, 305864, 315552, 335274, 341848, 376448, 403104, 420736, 431808, 447032, 458796, 512772, 537472, 564672, 611728, 631104, 670548, 683696, 726427, 806208, 863616, 894064, 917592, 1025544, 1129344, 1223456, 1262208, 1341096, 1367392, 1452854, 1612416, 1788128, 1835184, 2051088, 2179281, 2446912, 2682192, 2734784, 2905708, 3576256, 3670368, 4102176, 4358562, 4893824, 5364384, 5469568, 5811416, 7152512, 7340736, 8204352, 8717124, 10728768, 11622832, 14681472, 16408704, 17434248, 21457536, 23245664, 34868496, 46491328, 69736992, 92982656, 139473984, 278947968]

約数ペア:

[(1, 278947968), (2, 139473984), (3, 92982656), (4, 69736992), (6, 46491328), (8, 34868496), (12, 23245664), (13, 21457536), (16, 17434248), (17, 16408704), (19, 14681472), (24, 11622832), (26, 10728768), (32, 8717124), (34, 8204352), (38, 7340736), (39, 7152512), (48, 5811416), (51, 5469568), (52, 5364384), (57, 4893824), (64, 4358562), (68, 4102176), (76, 3670368), (78, 3576256), (96, 2905708), (102, 2734784), (104, 2682192), (114, 2446912), (128, 2179281), (136, 2051088), (152, 1835184), (156, 1788128), (173, 1612416), (192, 1452854), (204, 1367392), (208, 1341096), (221, 1262208), (228, 1223456), (247, 1129344), (272, 1025544), (304, 917592), (312, 894064), (323, 863616), (346, 806208), (384, 726427), (408, 683696), (416, 670548), (442, 631104), (456, 611728), (494, 564672), (519, 537472), (544, 512772), (608, 458796), (624, 447032), (646, 431808), (663, 420736), (692, 403104), (741, 376448), (816, 341848), (832, 335274), (884, 315552), (912, 305864), (969, 287872), (988, 282336), (1038, 268736), (1088, 256386), (1216, 229398), (1248, 223516), (1292, 215904), (1326, 210368), (1384, 201552), (1482, 188224), (1632, 170924), (1664, 167637), (1768, 157776), (1824, 152932), (1938, 143936), (1976, 141168), (2076, 134368), (2176, 128193), (2249, 124032), (2432, 114699), (2496, 111758), (2584, 107952), (2652, 105184), (2768, 100776), (2941, 94848), (2964, 94112), (3264, 85462), (3287, 84864), (3536, 78888), (3648, 76466), (3876, 71968), (3952, 70584), (4152, 67184), (4199, 66432), (4498, 62016), (4992, 55879), (5168, 53976), (5304, 52592), (5536, 50388), (5882, 47424), (5928, 47056), (6528, 42731), (6574, 42432), (6747, 41344), (7072, 39444), (7296, 38233), (7752, 35984), (7904, 35292), (8304, 33592), (8398, 33216), (8823, 31616), (8996, 31008), (9861, 28288), (10336, 26988), (10608, 26296), (11072, 25194), (11764, 23712), (11856, 23528), (12597, 22144), (13148, 21216), (13494, 20672), (14144, 19722), (15504, 17992), (15808, 17646), (16608, 16796)]