278307456

素因数分解:

$2^7\times 3^1\times 7^3\times {\mathrm{2113}}^1$

素因数の和:2151

約数の個数: 128

約数和(自身を含む): 862512000

約数和(自身を除く): 584204544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 294, 336, 343, 384, 392, 448, 588, 672, 686, 784, 896, 1029, 1176, 1344, 1372, 1568, 2058, 2113, 2352, 2688, 2744, 3136, 4116, 4226, 4704, 5488, 6272, 6339, 8232, 8452, 9408, 10976, 12678, 14791, 16464, 16904, 18816, 21952, 25356, 29582, 32928, 33808, 43904, 44373, 50712, 59164, 65856, 67616, 88746, 101424, 103537, 118328, 131712, 135232, 177492, 202848, 207074, 236656, 270464, 310611, 354984, 405696, 414148, 473312, 621222, 709968, 724759, 811392, 828296, 946624, 1242444, 1419936, 1449518, 1656592, 1893248, 2174277, 2484888, 2839872, 2899036, 3313184, 4348554, 4969776, 5679744, 5798072, 6626368, 8697108, 9939552, 11596144, 13252736, 17394216, 19879104, 23192288, 34788432, 39758208, 46384576, 69576864, 92769152, 139153728, 278307456]

約数ペア:

[(1, 278307456), (2, 139153728), (3, 92769152), (4, 69576864), (6, 46384576), (7, 39758208), (8, 34788432), (12, 23192288), (14, 19879104), (16, 17394216), (21, 13252736), (24, 11596144), (28, 9939552), (32, 8697108), (42, 6626368), (48, 5798072), (49, 5679744), (56, 4969776), (64, 4348554), (84, 3313184), (96, 2899036), (98, 2839872), (112, 2484888), (128, 2174277), (147, 1893248), (168, 1656592), (192, 1449518), (196, 1419936), (224, 1242444), (294, 946624), (336, 828296), (343, 811392), (384, 724759), (392, 709968), (448, 621222), (588, 473312), (672, 414148), (686, 405696), (784, 354984), (896, 310611), (1029, 270464), (1176, 236656), (1344, 207074), (1372, 202848), (1568, 177492), (2058, 135232), (2113, 131712), (2352, 118328), (2688, 103537), (2744, 101424), (3136, 88746), (4116, 67616), (4226, 65856), (4704, 59164), (5488, 50712), (6272, 44373), (6339, 43904), (8232, 33808), (8452, 32928), (9408, 29582), (10976, 25356), (12678, 21952), (14791, 18816), (16464, 16904)]