71578080

素因数分解:

$2^5\times 3^5\times 5^1\times 7^1\times {\mathrm{263}}^1$

素因数の和:300

約数の個数: 288

約数和(自身を含む): 290594304

約数和(自身を除く): 219016224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 243, 252, 263, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 486, 504, 526, 540, 560, 567, 630, 648, 672, 720, 756, 789, 810, 840, 864, 945, 972, 1008, 1052, 1080, 1120, 1134, 1215, 1260, 1296, 1315, 1440, 1512, 1578, 1620, 1680, 1701, 1841, 1890, 1944, 2016, 2104, 2160, 2268, 2367, 2430, 2520, 2592, 2630, 2835, 3024, 3156, 3240, 3360, 3402, 3682, 3780, 3888, 3945, 4208, 4320, 4536, 4734, 4860, 5040, 5260, 5523, 5670, 6048, 6312, 6480, 6804, 7101, 7364, 7560, 7776, 7890, 8416, 8505, 9072, 9205, 9468, 9720, 10080, 10520, 11046, 11340, 11835, 12624, 12960, 13608, 14202, 14728, 15120, 15780, 16569, 17010, 18144, 18410, 18936, 19440, 21040, 21303, 22092, 22680, 23670, 25248, 27216, 27615, 28404, 29456, 30240, 31560, 33138, 34020, 35505, 36820, 37872, 38880, 42080, 42606, 44184, 45360, 47340, 49707, 54432, 55230, 56808, 58912, 63120, 63909, 66276, 68040, 71010, 73640, 75744, 82845, 85212, 88368, 90720, 94680, 99414, 106515, 110460, 113616, 126240, 127818, 132552, 136080, 142020, 147280, 149121, 165690, 170424, 176736, 189360, 198828, 213030, 220920, 227232, 248535, 255636, 265104, 272160, 284040, 294560, 298242, 319545, 331380, 340848, 378720, 397656, 426060, 441840, 447363, 497070, 511272, 530208, 568080, 596484, 639090, 662760, 681696, 745605, 795312, 852120, 883680, 894726, 994140, 1022544, 1136160, 1192968, 1278180, 1325520, 1491210, 1590624, 1704240, 1789452, 1988280, 2045088, 2236815, 2385936, 2556360, 2651040, 2982420, 3408480, 3578904, 3976560, 4473630, 4771872, 5112720, 5964840, 7157808, 7953120, 8947260, 10225440, 11929680, 14315616, 17894520, 23859360, 35789040, 71578080]

約数ペア:

[(1, 71578080), (2, 35789040), (3, 23859360), (4, 17894520), (5, 14315616), (6, 11929680), (7, 10225440), (8, 8947260), (9, 7953120), (10, 7157808), (12, 5964840), (14, 5112720), (15, 4771872), (16, 4473630), (18, 3976560), (20, 3578904), (21, 3408480), (24, 2982420), (27, 2651040), (28, 2556360), (30, 2385936), (32, 2236815), (35, 2045088), (36, 1988280), (40, 1789452), (42, 1704240), (45, 1590624), (48, 1491210), (54, 1325520), (56, 1278180), (60, 1192968), (63, 1136160), (70, 1022544), (72, 994140), (80, 894726), (81, 883680), (84, 852120), (90, 795312), (96, 745605), (105, 681696), (108, 662760), (112, 639090), (120, 596484), (126, 568080), (135, 530208), (140, 511272), (144, 497070), (160, 447363), (162, 441840), (168, 426060), (180, 397656), (189, 378720), (210, 340848), (216, 331380), (224, 319545), (240, 298242), (243, 294560), (252, 284040), (263, 272160), (270, 265104), (280, 255636), (288, 248535), (315, 227232), (324, 220920), (336, 213030), (360, 198828), (378, 189360), (405, 176736), (420, 170424), (432, 165690), (480, 149121), (486, 147280), (504, 142020), (526, 136080), (540, 132552), (560, 127818), (567, 126240), (630, 113616), (648, 110460), (672, 106515), (720, 99414), (756, 94680), (789, 90720), (810, 88368), (840, 85212), (864, 82845), (945, 75744), (972, 73640), (1008, 71010), (1052, 68040), (1080, 66276), (1120, 63909), (1134, 63120), (1215, 58912), (1260, 56808), (1296, 55230), (1315, 54432), (1440, 49707), (1512, 47340), (1578, 45360), (1620, 44184), (1680, 42606), (1701, 42080), (1841, 38880), (1890, 37872), (1944, 36820), (2016, 35505), (2104, 34020), (2160, 33138), (2268, 31560), (2367, 30240), (2430, 29456), (2520, 28404), (2592, 27615), (2630, 27216), (2835, 25248), (3024, 23670), (3156, 22680), (3240, 22092), (3360, 21303), (3402, 21040), (3682, 19440), (3780, 18936), (3888, 18410), (3945, 18144), (4208, 17010), (4320, 16569), (4536, 15780), (4734, 15120), (4860, 14728), (5040, 14202), (5260, 13608), (5523, 12960), (5670, 12624), (6048, 11835), (6312, 11340), (6480, 11046), (6804, 10520), (7101, 10080), (7364, 9720), (7560, 9468), (7776, 9205), (7890, 9072), (8416, 8505)]