1264606720

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 240

約数和(自身を含む): 3414692160

約数和(自身を除く): 2150085440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 79, 80, 104, 128, 130, 148, 158, 160, 169, 185, 208, 256, 260, 296, 316, 320, 338, 370, 395, 416, 481, 512, 520, 592, 632, 640, 676, 740, 790, 832, 845, 962, 1027, 1040, 1184, 1264, 1280, 1352, 1480, 1580, 1664, 1690, 1924, 2054, 2080, 2368, 2405, 2528, 2560, 2704, 2923, 2960, 3160, 3328, 3380, 3848, 4108, 4160, 4736, 4810, 5056, 5135, 5408, 5846, 5920, 6253, 6320, 6656, 6760, 7696, 8216, 8320, 9472, 9620, 10112, 10270, 10816, 11692, 11840, 12506, 12640, 13351, 13520, 14615, 15392, 16432, 16640, 18944, 19240, 20224, 20540, 21632, 23384, 23680, 25012, 25280, 26702, 27040, 29230, 30784, 31265, 32864, 33280, 37999, 38480, 40448, 41080, 43264, 46768, 47360, 50024, 50560, 53404, 54080, 58460, 61568, 62530, 65728, 66755, 75998, 76960, 82160, 86528, 93536, 94720, 100048, 101120, 106808, 108160, 116920, 123136, 125060, 131456, 133510, 151996, 153920, 164320, 187072, 189995, 200096, 202240, 213616, 216320, 233840, 246272, 250120, 262912, 267020, 303992, 307840, 328640, 374144, 379990, 400192, 427232, 432640, 467680, 493987, 500240, 525824, 534040, 607984, 615680, 657280, 748288, 759980, 800384, 854464, 935360, 987974, 1000480, 1068080, 1215968, 1231360, 1314560, 1496576, 1519960, 1600768, 1708928, 1870720, 1975948, 2000960, 2136160, 2431936, 2469935, 2629120, 3039920, 3201536, 3417856, 3741440, 3951896, 4001920, 4272320, 4863872, 4939870, 6079840, 6835712, 7482880, 7903792, 8003840, 8544640, 9727744, 9879740, 12159680, 15807584, 16007680, 17089280, 19455488, 19759480, 24319360, 31615168, 34178560, 39518960, 48638720, 63230336, 79037920, 97277440, 126460672, 158075840, 252921344, 316151680, 632303360, 1264606720]

約数ペア:

[(1, 1264606720), (2, 632303360), (4, 316151680), (5, 252921344), (8, 158075840), (10, 126460672), (13, 97277440), (16, 79037920), (20, 63230336), (26, 48638720), (32, 39518960), (37, 34178560), (40, 31615168), (52, 24319360), (64, 19759480), (65, 19455488), (74, 17089280), (79, 16007680), (80, 15807584), (104, 12159680), (128, 9879740), (130, 9727744), (148, 8544640), (158, 8003840), (160, 7903792), (169, 7482880), (185, 6835712), (208, 6079840), (256, 4939870), (260, 4863872), (296, 4272320), (316, 4001920), (320, 3951896), (338, 3741440), (370, 3417856), (395, 3201536), (416, 3039920), (481, 2629120), (512, 2469935), (520, 2431936), (592, 2136160), (632, 2000960), (640, 1975948), (676, 1870720), (740, 1708928), (790, 1600768), (832, 1519960), (845, 1496576), (962, 1314560), (1027, 1231360), (1040, 1215968), (1184, 1068080), (1264, 1000480), (1280, 987974), (1352, 935360), (1480, 854464), (1580, 800384), (1664, 759980), (1690, 748288), (1924, 657280), (2054, 615680), (2080, 607984), (2368, 534040), (2405, 525824), (2528, 500240), (2560, 493987), (2704, 467680), (2923, 432640), (2960, 427232), (3160, 400192), (3328, 379990), (3380, 374144), (3848, 328640), (4108, 307840), (4160, 303992), (4736, 267020), (4810, 262912), (5056, 250120), (5135, 246272), (5408, 233840), (5846, 216320), (5920, 213616), (6253, 202240), (6320, 200096), (6656, 189995), (6760, 187072), (7696, 164320), (8216, 153920), (8320, 151996), (9472, 133510), (9620, 131456), (10112, 125060), (10270, 123136), (10816, 116920), (11692, 108160), (11840, 106808), (12506, 101120), (12640, 100048), (13351, 94720), (13520, 93536), (14615, 86528), (15392, 82160), (16432, 76960), (16640, 75998), (18944, 66755), (19240, 65728), (20224, 62530), (20540, 61568), (21632, 58460), (23384, 54080), (23680, 53404), (25012, 50560), (25280, 50024), (26702, 47360), (27040, 46768), (29230, 43264), (30784, 41080), (31265, 40448), (32864, 38480), (33280, 37999)]