820959360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1127

約数の個数: 256

約数和(自身を含む): 2911749120

約数和(自身を除く): 2090789760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 186, 192, 195, 208, 240, 248, 260, 310, 312, 320, 372, 384, 390, 403, 416, 465, 480, 496, 520, 620, 624, 640, 744, 780, 806, 832, 930, 960, 992, 1040, 1061, 1209, 1240, 1248, 1488, 1560, 1612, 1664, 1860, 1920, 1984, 2015, 2080, 2122, 2418, 2480, 2496, 2976, 3120, 3183, 3224, 3720, 3968, 4030, 4160, 4244, 4836, 4960, 4992, 5305, 5952, 6045, 6240, 6366, 6448, 7440, 8060, 8320, 8488, 9672, 9920, 10610, 11904, 12090, 12480, 12732, 12896, 13793, 14880, 15915, 16120, 16976, 19344, 19840, 21220, 24180, 24960, 25464, 25792, 27586, 29760, 31830, 32240, 32891, 33952, 38688, 41379, 42440, 48360, 50928, 51584, 55172, 59520, 63660, 64480, 65782, 67904, 68965, 77376, 82758, 84880, 96720, 98673, 101856, 110344, 127320, 128960, 131564, 135808, 137930, 154752, 164455, 165516, 169760, 193440, 197346, 203712, 206895, 220688, 254640, 257920, 263128, 275860, 328910, 331032, 339520, 386880, 394692, 407424, 413790, 427583, 441376, 493365, 509280, 526256, 551720, 657820, 662064, 679040, 773760, 789384, 827580, 855166, 882752, 986730, 1018560, 1052512, 1103440, 1282749, 1315640, 1324128, 1578768, 1655160, 1710332, 1765504, 1973460, 2037120, 2105024, 2137915, 2206880, 2565498, 2631280, 2648256, 3157536, 3310320, 3420664, 3946920, 4210048, 4275830, 4413760, 5130996, 5262560, 5296512, 6315072, 6413745, 6620640, 6841328, 7893840, 8551660, 8827520, 10261992, 10525120, 12630144, 12827490, 13241280, 13682656, 15787680, 17103320, 20523984, 21050240, 25654980, 26482560, 27365312, 31575360, 34206640, 41047968, 51309960, 54730624, 63150720, 68413280, 82095936, 102619920, 136826560, 164191872, 205239840, 273653120, 410479680, 820959360]

約数ペア:

[(1, 820959360), (2, 410479680), (3, 273653120), (4, 205239840), (5, 164191872), (6, 136826560), (8, 102619920), (10, 82095936), (12, 68413280), (13, 63150720), (15, 54730624), (16, 51309960), (20, 41047968), (24, 34206640), (26, 31575360), (30, 27365312), (31, 26482560), (32, 25654980), (39, 21050240), (40, 20523984), (48, 17103320), (52, 15787680), (60, 13682656), (62, 13241280), (64, 12827490), (65, 12630144), (78, 10525120), (80, 10261992), (93, 8827520), (96, 8551660), (104, 7893840), (120, 6841328), (124, 6620640), (128, 6413745), (130, 6315072), (155, 5296512), (156, 5262560), (160, 5130996), (186, 4413760), (192, 4275830), (195, 4210048), (208, 3946920), (240, 3420664), (248, 3310320), (260, 3157536), (310, 2648256), (312, 2631280), (320, 2565498), (372, 2206880), (384, 2137915), (390, 2105024), (403, 2037120), (416, 1973460), (465, 1765504), (480, 1710332), (496, 1655160), (520, 1578768), (620, 1324128), (624, 1315640), (640, 1282749), (744, 1103440), (780, 1052512), (806, 1018560), (832, 986730), (930, 882752), (960, 855166), (992, 827580), (1040, 789384), (1061, 773760), (1209, 679040), (1240, 662064), (1248, 657820), (1488, 551720), (1560, 526256), (1612, 509280), (1664, 493365), (1860, 441376), (1920, 427583), (1984, 413790), (2015, 407424), (2080, 394692), (2122, 386880), (2418, 339520), (2480, 331032), (2496, 328910), (2976, 275860), (3120, 263128), (3183, 257920), (3224, 254640), (3720, 220688), (3968, 206895), (4030, 203712), (4160, 197346), (4244, 193440), (4836, 169760), (4960, 165516), (4992, 164455), (5305, 154752), (5952, 137930), (6045, 135808), (6240, 131564), (6366, 128960), (6448, 127320), (7440, 110344), (8060, 101856), (8320, 98673), (8488, 96720), (9672, 84880), (9920, 82758), (10610, 77376), (11904, 68965), (12090, 67904), (12480, 65782), (12732, 64480), (12896, 63660), (13793, 59520), (14880, 55172), (15915, 51584), (16120, 50928), (16976, 48360), (19344, 42440), (19840, 41379), (21220, 38688), (24180, 33952), (24960, 32891), (25464, 32240), (25792, 31830), (27586, 29760)]