81519360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 288

約数和(自身を含む): 296690688

約数和(自身を除く): 215171328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 32, 39, 40, 46, 48, 52, 60, 64, 65, 69, 71, 78, 80, 92, 96, 104, 115, 120, 128, 130, 138, 142, 156, 160, 184, 192, 195, 208, 213, 230, 240, 256, 260, 276, 284, 299, 312, 320, 345, 355, 368, 384, 390, 416, 426, 460, 480, 520, 552, 568, 598, 624, 640, 690, 710, 736, 768, 780, 832, 852, 897, 920, 923, 960, 1040, 1065, 1104, 1136, 1196, 1248, 1280, 1380, 1420, 1472, 1495, 1560, 1633, 1664, 1704, 1794, 1840, 1846, 1920, 2080, 2130, 2208, 2272, 2392, 2496, 2760, 2769, 2840, 2944, 2990, 3120, 3266, 3328, 3408, 3588, 3680, 3692, 3840, 4160, 4260, 4416, 4485, 4544, 4615, 4784, 4899, 4992, 5520, 5538, 5680, 5888, 5980, 6240, 6532, 6816, 7176, 7360, 7384, 8165, 8320, 8520, 8832, 8970, 9088, 9230, 9568, 9798, 9984, 11040, 11076, 11360, 11960, 12480, 13064, 13632, 13845, 14352, 14720, 14768, 16330, 16640, 17040, 17664, 17940, 18176, 18460, 19136, 19596, 21229, 22080, 22152, 22720, 23920, 24495, 24960, 26128, 27264, 27690, 28704, 29440, 29536, 32660, 34080, 35880, 36920, 38272, 39192, 42458, 44160, 44304, 45440, 47840, 48990, 49920, 52256, 54528, 55380, 57408, 59072, 63687, 65320, 68160, 71760, 73840, 76544, 78384, 84916, 88320, 88608, 90880, 95680, 97980, 104512, 106145, 110760, 114816, 118144, 127374, 130640, 136320, 143520, 147680, 156768, 169832, 177216, 191360, 195960, 209024, 212290, 221520, 229632, 236288, 254748, 261280, 272640, 287040, 295360, 313536, 318435, 339664, 354432, 382720, 391920, 418048, 424580, 443040, 509496, 522560, 574080, 590720, 627072, 636870, 679328, 708864, 783840, 849160, 886080, 1018992, 1045120, 1148160, 1181440, 1254144, 1273740, 1358656, 1567680, 1698320, 1772160, 2037984, 2090240, 2547480, 2717312, 3135360, 3396640, 3544320, 4075968, 5094960, 5434624, 6270720, 6793280, 8151936, 10189920, 13586560, 16303872, 20379840, 27173120, 40759680, 81519360]

約数ペア:

[(1, 81519360), (2, 40759680), (3, 27173120), (4, 20379840), (5, 16303872), (6, 13586560), (8, 10189920), (10, 8151936), (12, 6793280), (13, 6270720), (15, 5434624), (16, 5094960), (20, 4075968), (23, 3544320), (24, 3396640), (26, 3135360), (30, 2717312), (32, 2547480), (39, 2090240), (40, 2037984), (46, 1772160), (48, 1698320), (52, 1567680), (60, 1358656), (64, 1273740), (65, 1254144), (69, 1181440), (71, 1148160), (78, 1045120), (80, 1018992), (92, 886080), (96, 849160), (104, 783840), (115, 708864), (120, 679328), (128, 636870), (130, 627072), (138, 590720), (142, 574080), (156, 522560), (160, 509496), (184, 443040), (192, 424580), (195, 418048), (208, 391920), (213, 382720), (230, 354432), (240, 339664), (256, 318435), (260, 313536), (276, 295360), (284, 287040), (299, 272640), (312, 261280), (320, 254748), (345, 236288), (355, 229632), (368, 221520), (384, 212290), (390, 209024), (416, 195960), (426, 191360), (460, 177216), (480, 169832), (520, 156768), (552, 147680), (568, 143520), (598, 136320), (624, 130640), (640, 127374), (690, 118144), (710, 114816), (736, 110760), (768, 106145), (780, 104512), (832, 97980), (852, 95680), (897, 90880), (920, 88608), (923, 88320), (960, 84916), (1040, 78384), (1065, 76544), (1104, 73840), (1136, 71760), (1196, 68160), (1248, 65320), (1280, 63687), (1380, 59072), (1420, 57408), (1472, 55380), (1495, 54528), (1560, 52256), (1633, 49920), (1664, 48990), (1704, 47840), (1794, 45440), (1840, 44304), (1846, 44160), (1920, 42458), (2080, 39192), (2130, 38272), (2208, 36920), (2272, 35880), (2392, 34080), (2496, 32660), (2760, 29536), (2769, 29440), (2840, 28704), (2944, 27690), (2990, 27264), (3120, 26128), (3266, 24960), (3328, 24495), (3408, 23920), (3588, 22720), (3680, 22152), (3692, 22080), (3840, 21229), (4160, 19596), (4260, 19136), (4416, 18460), (4485, 18176), (4544, 17940), (4615, 17664), (4784, 17040), (4899, 16640), (4992, 16330), (5520, 14768), (5538, 14720), (5680, 14352), (5888, 13845), (5980, 13632), (6240, 13064), (6532, 12480), (6816, 11960), (7176, 11360), (7360, 11076), (7384, 11040), (8165, 9984), (8320, 9798), (8520, 9568), (8832, 9230), (8970, 9088)]