280255872

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1872

約数の個数: 128

約数和(自身を含む): 828011520

約数和(自身を除く): 547755648

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 186, 192, 208, 248, 312, 372, 384, 403, 416, 496, 624, 744, 806, 832, 992, 1209, 1248, 1488, 1612, 1664, 1811, 1984, 2418, 2496, 2976, 3224, 3622, 3968, 4836, 4992, 5433, 5952, 6448, 7244, 9672, 10866, 11904, 12896, 14488, 19344, 21732, 23543, 25792, 28976, 38688, 43464, 47086, 51584, 56141, 57952, 70629, 77376, 86928, 94172, 112282, 115904, 141258, 154752, 168423, 173856, 188344, 224564, 231808, 282516, 336846, 347712, 376688, 449128, 565032, 673692, 695424, 729833, 753376, 898256, 1130064, 1347384, 1459666, 1506752, 1796512, 2189499, 2260128, 2694768, 2919332, 3013504, 3593024, 4378998, 4520256, 5389536, 5838664, 7186048, 8757996, 9040512, 10779072, 11677328, 17515992, 21558144, 23354656, 35031984, 46709312, 70063968, 93418624, 140127936, 280255872]

約数ペア:

[(1, 280255872), (2, 140127936), (3, 93418624), (4, 70063968), (6, 46709312), (8, 35031984), (12, 23354656), (13, 21558144), (16, 17515992), (24, 11677328), (26, 10779072), (31, 9040512), (32, 8757996), (39, 7186048), (48, 5838664), (52, 5389536), (62, 4520256), (64, 4378998), (78, 3593024), (93, 3013504), (96, 2919332), (104, 2694768), (124, 2260128), (128, 2189499), (156, 1796512), (186, 1506752), (192, 1459666), (208, 1347384), (248, 1130064), (312, 898256), (372, 753376), (384, 729833), (403, 695424), (416, 673692), (496, 565032), (624, 449128), (744, 376688), (806, 347712), (832, 336846), (992, 282516), (1209, 231808), (1248, 224564), (1488, 188344), (1612, 173856), (1664, 168423), (1811, 154752), (1984, 141258), (2418, 115904), (2496, 112282), (2976, 94172), (3224, 86928), (3622, 77376), (3968, 70629), (4836, 57952), (4992, 56141), (5433, 51584), (5952, 47086), (6448, 43464), (7244, 38688), (9672, 28976), (10866, 25792), (11904, 23543), (12896, 21732), (14488, 19344)]