217899360

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21617}}^1$

素因数の和:21645

約数の個数: 144

約数和(自身を含む): 849846816

約数和(自身を除く): 631947456

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 21617, 43234, 64851, 86468, 108085, 129702, 151319, 172936, 194553, 216170, 259404, 302638, 324255, 345872, 389106, 432340, 453957, 518808, 605276, 648510, 691744, 756595, 778212, 864680, 907914, 972765, 1037616, 1210552, 1297020, 1361871, 1513190, 1556424, 1729360, 1815828, 1945530, 2075232, 2269785, 2421104, 2594040, 2723742, 3026380, 3112848, 3458720, 3631656, 3891060, 4539570, 4842208, 5188080, 5447484, 6052760, 6225696, 6809355, 7263312, 7782120, 9079140, 10376160, 10894968, 12105520, 13618710, 14526624, 15564240, 18158280, 21789936, 24211040, 27237420, 31128480, 36316560, 43579872, 54474840, 72633120, 108949680, 217899360]

約数ペア:

[(1, 217899360), (2, 108949680), (3, 72633120), (4, 54474840), (5, 43579872), (6, 36316560), (7, 31128480), (8, 27237420), (9, 24211040), (10, 21789936), (12, 18158280), (14, 15564240), (15, 14526624), (16, 13618710), (18, 12105520), (20, 10894968), (21, 10376160), (24, 9079140), (28, 7782120), (30, 7263312), (32, 6809355), (35, 6225696), (36, 6052760), (40, 5447484), (42, 5188080), (45, 4842208), (48, 4539570), (56, 3891060), (60, 3631656), (63, 3458720), (70, 3112848), (72, 3026380), (80, 2723742), (84, 2594040), (90, 2421104), (96, 2269785), (105, 2075232), (112, 1945530), (120, 1815828), (126, 1729360), (140, 1556424), (144, 1513190), (160, 1361871), (168, 1297020), (180, 1210552), (210, 1037616), (224, 972765), (240, 907914), (252, 864680), (280, 778212), (288, 756595), (315, 691744), (336, 648510), (360, 605276), (420, 518808), (480, 453957), (504, 432340), (560, 389106), (630, 345872), (672, 324255), (720, 302638), (840, 259404), (1008, 216170), (1120, 194553), (1260, 172936), (1440, 151319), (1680, 129702), (2016, 108085), (2520, 86468), (3360, 64851), (5040, 43234), (10080, 21617)]