648531360

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:497

約数の個数: 240

約数和(自身を含む): 2310317856

約数和(自身を除く): 1661786496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 163, 180, 216, 240, 270, 288, 307, 324, 326, 360, 405, 432, 480, 489, 540, 614, 648, 652, 720, 810, 815, 864, 921, 978, 1080, 1228, 1296, 1304, 1440, 1467, 1535, 1620, 1630, 1842, 1956, 2160, 2445, 2456, 2592, 2608, 2763, 2934, 3070, 3240, 3260, 3684, 3912, 4320, 4401, 4605, 4890, 4912, 5216, 5526, 5868, 6140, 6480, 6520, 7335, 7368, 7824, 8289, 8802, 9210, 9780, 9824, 11052, 11736, 12280, 12960, 13040, 13203, 13815, 14670, 14736, 15648, 16578, 17604, 18420, 19560, 22005, 22104, 23472, 24560, 24867, 26080, 26406, 27630, 29340, 29472, 33156, 35208, 36840, 39120, 41445, 44010, 44208, 46944, 49120, 49734, 50041, 52812, 55260, 58680, 66015, 66312, 70416, 73680, 78240, 82890, 88020, 88416, 99468, 100082, 105624, 110520, 117360, 124335, 132030, 132624, 140832, 147360, 150123, 165780, 176040, 198936, 200164, 211248, 221040, 234720, 248670, 250205, 264060, 265248, 300246, 331560, 352080, 397872, 400328, 422496, 442080, 450369, 497340, 500410, 528120, 600492, 663120, 704160, 750615, 795744, 800656, 900738, 994680, 1000820, 1056240, 1200984, 1326240, 1351107, 1501230, 1601312, 1801476, 1989360, 2001640, 2112480, 2251845, 2401968, 2702214, 3002460, 3602952, 3978720, 4003280, 4053321, 4503690, 4803936, 5404428, 6004920, 6755535, 7205904, 8006560, 8106642, 9007380, 10808856, 12009840, 13511070, 14411808, 16213284, 18014760, 20266605, 21617712, 24019680, 27022140, 32426568, 36029520, 40533210, 43235424, 54044280, 64853136, 72059040, 81066420, 108088560, 129706272, 162132840, 216177120, 324265680, 648531360]

約数ペア:

[(1, 648531360), (2, 324265680), (3, 216177120), (4, 162132840), (5, 129706272), (6, 108088560), (8, 81066420), (9, 72059040), (10, 64853136), (12, 54044280), (15, 43235424), (16, 40533210), (18, 36029520), (20, 32426568), (24, 27022140), (27, 24019680), (30, 21617712), (32, 20266605), (36, 18014760), (40, 16213284), (45, 14411808), (48, 13511070), (54, 12009840), (60, 10808856), (72, 9007380), (80, 8106642), (81, 8006560), (90, 7205904), (96, 6755535), (108, 6004920), (120, 5404428), (135, 4803936), (144, 4503690), (160, 4053321), (162, 4003280), (163, 3978720), (180, 3602952), (216, 3002460), (240, 2702214), (270, 2401968), (288, 2251845), (307, 2112480), (324, 2001640), (326, 1989360), (360, 1801476), (405, 1601312), (432, 1501230), (480, 1351107), (489, 1326240), (540, 1200984), (614, 1056240), (648, 1000820), (652, 994680), (720, 900738), (810, 800656), (815, 795744), (864, 750615), (921, 704160), (978, 663120), (1080, 600492), (1228, 528120), (1296, 500410), (1304, 497340), (1440, 450369), (1467, 442080), (1535, 422496), (1620, 400328), (1630, 397872), (1842, 352080), (1956, 331560), (2160, 300246), (2445, 265248), (2456, 264060), (2592, 250205), (2608, 248670), (2763, 234720), (2934, 221040), (3070, 211248), (3240, 200164), (3260, 198936), (3684, 176040), (3912, 165780), (4320, 150123), (4401, 147360), (4605, 140832), (4890, 132624), (4912, 132030), (5216, 124335), (5526, 117360), (5868, 110520), (6140, 105624), (6480, 100082), (6520, 99468), (7335, 88416), (7368, 88020), (7824, 82890), (8289, 78240), (8802, 73680), (9210, 70416), (9780, 66312), (9824, 66015), (11052, 58680), (11736, 55260), (12280, 52812), (12960, 50041), (13040, 49734), (13203, 49120), (13815, 46944), (14670, 44208), (14736, 44010), (15648, 41445), (16578, 39120), (17604, 36840), (18420, 35208), (19560, 33156), (22005, 29472), (22104, 29340), (23472, 27630), (24560, 26406), (24867, 26080)]