279647680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5171}}^1$

素因数の和:5214

約数の個数: 84

約数和(自身を含む): 721214712

約数和(自身を除く): 441567032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 416, 520, 676, 832, 845, 1040, 1352, 1690, 2080, 2704, 3380, 4160, 5171, 5408, 6760, 10342, 10816, 13520, 20684, 25855, 27040, 41368, 51710, 54080, 67223, 82736, 103420, 134446, 165472, 206840, 268892, 330944, 336115, 413680, 537784, 672230, 827360, 873899, 1075568, 1344460, 1654720, 1747798, 2151136, 2688920, 3495596, 4302272, 4369495, 5377840, 6991192, 8738990, 10755680, 13982384, 17477980, 21511360, 27964768, 34955960, 55929536, 69911920, 139823840, 279647680]

約数ペア:

[(1, 279647680), (2, 139823840), (4, 69911920), (5, 55929536), (8, 34955960), (10, 27964768), (13, 21511360), (16, 17477980), (20, 13982384), (26, 10755680), (32, 8738990), (40, 6991192), (52, 5377840), (64, 4369495), (65, 4302272), (80, 3495596), (104, 2688920), (130, 2151136), (160, 1747798), (169, 1654720), (208, 1344460), (260, 1075568), (320, 873899), (338, 827360), (416, 672230), (520, 537784), (676, 413680), (832, 336115), (845, 330944), (1040, 268892), (1352, 206840), (1690, 165472), (2080, 134446), (2704, 103420), (3380, 82736), (4160, 67223), (5171, 54080), (5408, 51710), (6760, 41368), (10342, 27040), (10816, 25855), (13520, 20684)]