255415680

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:423

約数の個数: 320

約数和(自身を含む): 984891600

約数和(自身を除く): 729475920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 162, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 324, 351, 360, 379, 384, 390, 405, 416, 432, 468, 480, 520, 540, 576, 585, 624, 640, 648, 702, 720, 758, 780, 810, 832, 864, 936, 960, 1040, 1053, 1080, 1137, 1152, 1170, 1248, 1296, 1404, 1440, 1516, 1560, 1620, 1664, 1728, 1755, 1872, 1895, 1920, 2080, 2106, 2160, 2274, 2340, 2496, 2592, 2808, 2880, 3032, 3120, 3240, 3411, 3456, 3510, 3744, 3790, 4160, 4212, 4320, 4548, 4680, 4927, 4992, 5184, 5265, 5616, 5685, 5760, 6064, 6240, 6480, 6822, 7020, 7488, 7580, 8320, 8424, 8640, 9096, 9360, 9854, 10233, 10368, 10530, 11232, 11370, 12128, 12480, 12960, 13644, 14040, 14781, 14976, 15160, 16848, 17055, 17280, 18192, 18720, 19708, 20466, 21060, 22464, 22740, 24256, 24635, 24960, 25920, 27288, 28080, 29562, 30320, 30699, 33696, 34110, 36384, 37440, 39416, 40932, 42120, 44343, 44928, 45480, 48512, 49270, 51165, 51840, 54576, 56160, 59124, 60640, 61398, 67392, 68220, 72768, 73905, 74880, 78832, 81864, 84240, 88686, 90960, 98540, 102330, 109152, 112320, 118248, 121280, 122796, 133029, 134784, 136440, 145536, 147810, 153495, 157664, 163728, 168480, 177372, 181920, 197080, 204660, 218304, 221715, 224640, 236496, 242560, 245592, 266058, 272880, 295620, 306990, 315328, 327456, 336960, 354744, 363840, 394160, 399087, 409320, 436608, 443430, 472992, 491184, 532116, 545760, 591240, 613980, 630656, 654912, 665145, 673920, 709488, 727680, 788320, 798174, 818640, 886860, 945984, 982368, 1064232, 1091520, 1182480, 1227960, 1309824, 1330290, 1418976, 1576640, 1596348, 1637280, 1773720, 1891968, 1964736, 1995435, 2128464, 2183040, 2364960, 2455920, 2660580, 2837952, 3153280, 3192696, 3274560, 3547440, 3929472, 3990870, 4256928, 4729920, 4911840, 5321160, 5675904, 6385392, 6549120, 7094880, 7981740, 8513856, 9459840, 9823680, 10642320, 12770784, 14189760, 15963480, 17027712, 19647360, 21284640, 25541568, 28379520, 31926960, 42569280, 51083136, 63853920, 85138560, 127707840, 255415680]

約数ペア:

[(1, 255415680), (2, 127707840), (3, 85138560), (4, 63853920), (5, 51083136), (6, 42569280), (8, 31926960), (9, 28379520), (10, 25541568), (12, 21284640), (13, 19647360), (15, 17027712), (16, 15963480), (18, 14189760), (20, 12770784), (24, 10642320), (26, 9823680), (27, 9459840), (30, 8513856), (32, 7981740), (36, 7094880), (39, 6549120), (40, 6385392), (45, 5675904), (48, 5321160), (52, 4911840), (54, 4729920), (60, 4256928), (64, 3990870), (65, 3929472), (72, 3547440), (78, 3274560), (80, 3192696), (81, 3153280), (90, 2837952), (96, 2660580), (104, 2455920), (108, 2364960), (117, 2183040), (120, 2128464), (128, 1995435), (130, 1964736), (135, 1891968), (144, 1773720), (156, 1637280), (160, 1596348), (162, 1576640), (180, 1418976), (192, 1330290), (195, 1309824), (208, 1227960), (216, 1182480), (234, 1091520), (240, 1064232), (260, 982368), (270, 945984), (288, 886860), (312, 818640), (320, 798174), (324, 788320), (351, 727680), (360, 709488), (379, 673920), (384, 665145), (390, 654912), (405, 630656), (416, 613980), (432, 591240), (468, 545760), (480, 532116), (520, 491184), (540, 472992), (576, 443430), (585, 436608), (624, 409320), (640, 399087), (648, 394160), (702, 363840), (720, 354744), (758, 336960), (780, 327456), (810, 315328), (832, 306990), (864, 295620), (936, 272880), (960, 266058), (1040, 245592), (1053, 242560), (1080, 236496), (1137, 224640), (1152, 221715), (1170, 218304), (1248, 204660), (1296, 197080), (1404, 181920), (1440, 177372), (1516, 168480), (1560, 163728), (1620, 157664), (1664, 153495), (1728, 147810), (1755, 145536), (1872, 136440), (1895, 134784), (1920, 133029), (2080, 122796), (2106, 121280), (2160, 118248), (2274, 112320), (2340, 109152), (2496, 102330), (2592, 98540), (2808, 90960), (2880, 88686), (3032, 84240), (3120, 81864), (3240, 78832), (3411, 74880), (3456, 73905), (3510, 72768), (3744, 68220), (3790, 67392), (4160, 61398), (4212, 60640), (4320, 59124), (4548, 56160), (4680, 54576), (4927, 51840), (4992, 51165), (5184, 49270), (5265, 48512), (5616, 45480), (5685, 44928), (5760, 44343), (6064, 42120), (6240, 40932), (6480, 39416), (6822, 37440), (7020, 36384), (7488, 34110), (7580, 33696), (8320, 30699), (8424, 30320), (8640, 29562), (9096, 28080), (9360, 27288), (9854, 25920), (10233, 24960), (10368, 24635), (10530, 24256), (11232, 22740), (11370, 22464), (12128, 21060), (12480, 20466), (12960, 19708), (13644, 18720), (14040, 18192), (14781, 17280), (14976, 17055), (15160, 16848)]