21495245760

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{17317}}^1$

素因数の和:17771

約数の個数: 168

約数和(自身を含む): 74110510656

約数和(自身を除く): 52615264896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 431, 480, 576, 720, 862, 960, 1293, 1440, 1724, 2155, 2586, 2880, 3448, 3879, 4310, 5172, 6465, 6896, 7758, 8620, 10344, 12930, 13792, 15516, 17240, 17317, 19395, 20688, 25860, 27584, 31032, 34480, 34634, 38790, 41376, 51720, 51951, 62064, 68960, 69268, 77580, 82752, 86585, 103440, 103902, 124128, 137920, 138536, 155160, 155853, 173170, 206880, 207804, 248256, 259755, 277072, 310320, 311706, 346340, 413760, 415608, 519510, 554144, 620640, 623412, 692680, 779265, 831216, 1039020, 1108288, 1241280, 1246824, 1385360, 1558530, 1662432, 2078040, 2493648, 2770720, 3117060, 3324864, 4156080, 4987296, 5541440, 6234120, 7463627, 8312160, 9974592, 12468240, 14927254, 16624320, 22390881, 24936480, 29854508, 37318135, 44781762, 49872960, 59709016, 67172643, 74636270, 89563524, 111954405, 119418032, 134345286, 149272540, 179127048, 223908810, 238836064, 268690572, 298545080, 335863215, 358254096, 447817620, 477672128, 537381144, 597090160, 671726430, 716508192, 895635240, 1074762288, 1194180320, 1343452860, 1433016384, 1791270480, 2149524576, 2388360640, 2686905720, 3582540960, 4299049152, 5373811440, 7165081920, 10747622880, 21495245760]

約数ペア:

[(1, 21495245760), (2, 10747622880), (3, 7165081920), (4, 5373811440), (5, 4299049152), (6, 3582540960), (8, 2686905720), (9, 2388360640), (10, 2149524576), (12, 1791270480), (15, 1433016384), (16, 1343452860), (18, 1194180320), (20, 1074762288), (24, 895635240), (30, 716508192), (32, 671726430), (36, 597090160), (40, 537381144), (45, 477672128), (48, 447817620), (60, 358254096), (64, 335863215), (72, 298545080), (80, 268690572), (90, 238836064), (96, 223908810), (120, 179127048), (144, 149272540), (160, 134345286), (180, 119418032), (192, 111954405), (240, 89563524), (288, 74636270), (320, 67172643), (360, 59709016), (431, 49872960), (480, 44781762), (576, 37318135), (720, 29854508), (862, 24936480), (960, 22390881), (1293, 16624320), (1440, 14927254), (1724, 12468240), (2155, 9974592), (2586, 8312160), (2880, 7463627), (3448, 6234120), (3879, 5541440), (4310, 4987296), (5172, 4156080), (6465, 3324864), (6896, 3117060), (7758, 2770720), (8620, 2493648), (10344, 2078040), (12930, 1662432), (13792, 1558530), (15516, 1385360), (17240, 1246824), (17317, 1241280), (19395, 1108288), (20688, 1039020), (25860, 831216), (27584, 779265), (31032, 692680), (34480, 623412), (34634, 620640), (38790, 554144), (41376, 519510), (51720, 415608), (51951, 413760), (62064, 346340), (68960, 311706), (69268, 310320), (77580, 277072), (82752, 259755), (86585, 248256), (103440, 207804), (103902, 206880), (124128, 173170), (137920, 155853), (138536, 155160)]