648038880

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1613}}^1$

素因数の和:1671

約数の個数: 240

約数和(自身を含む): 2362276224

約数和(自身を除く): 1714237344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 216, 240, 248, 270, 279, 288, 310, 324, 360, 372, 405, 432, 465, 480, 496, 540, 558, 620, 648, 720, 744, 810, 837, 864, 930, 992, 1080, 1116, 1240, 1296, 1395, 1440, 1488, 1613, 1620, 1674, 1860, 2160, 2232, 2480, 2511, 2592, 2790, 2976, 3226, 3240, 3348, 3720, 4185, 4320, 4464, 4839, 4960, 5022, 5580, 6452, 6480, 6696, 7440, 8065, 8370, 8928, 9678, 10044, 11160, 12555, 12904, 12960, 13392, 14517, 14880, 16130, 16740, 19356, 20088, 22320, 24195, 25110, 25808, 26784, 29034, 32260, 33480, 38712, 40176, 43551, 44640, 48390, 50003, 50220, 51616, 58068, 64520, 66960, 72585, 77424, 80352, 87102, 96780, 100006, 100440, 116136, 129040, 130653, 133920, 145170, 150009, 154848, 174204, 193560, 200012, 200880, 217755, 232272, 250015, 258080, 261306, 290340, 300018, 348408, 387120, 400024, 401760, 435510, 450027, 464544, 500030, 522612, 580680, 600036, 653265, 696816, 750045, 774240, 800048, 871020, 900054, 1000060, 1045224, 1161360, 1200072, 1306530, 1350081, 1393632, 1500090, 1600096, 1742040, 1800108, 2000120, 2090448, 2250135, 2322720, 2400144, 2613060, 2700162, 3000180, 3484080, 3600216, 4000240, 4050243, 4180896, 4500270, 4800288, 5226120, 5400324, 6000360, 6750405, 6968160, 7200432, 8000480, 8100486, 9000540, 10452240, 10800648, 12000720, 13500810, 14400864, 16200972, 18001080, 20251215, 20904480, 21601296, 24001440, 27001620, 32401944, 36002160, 40502430, 43202592, 54003240, 64803888, 72004320, 81004860, 108006480, 129607776, 162009720, 216012960, 324019440, 648038880]

約数ペア:

[(1, 648038880), (2, 324019440), (3, 216012960), (4, 162009720), (5, 129607776), (6, 108006480), (8, 81004860), (9, 72004320), (10, 64803888), (12, 54003240), (15, 43202592), (16, 40502430), (18, 36002160), (20, 32401944), (24, 27001620), (27, 24001440), (30, 21601296), (31, 20904480), (32, 20251215), (36, 18001080), (40, 16200972), (45, 14400864), (48, 13500810), (54, 12000720), (60, 10800648), (62, 10452240), (72, 9000540), (80, 8100486), (81, 8000480), (90, 7200432), (93, 6968160), (96, 6750405), (108, 6000360), (120, 5400324), (124, 5226120), (135, 4800288), (144, 4500270), (155, 4180896), (160, 4050243), (162, 4000240), (180, 3600216), (186, 3484080), (216, 3000180), (240, 2700162), (248, 2613060), (270, 2400144), (279, 2322720), (288, 2250135), (310, 2090448), (324, 2000120), (360, 1800108), (372, 1742040), (405, 1600096), (432, 1500090), (465, 1393632), (480, 1350081), (496, 1306530), (540, 1200072), (558, 1161360), (620, 1045224), (648, 1000060), (720, 900054), (744, 871020), (810, 800048), (837, 774240), (864, 750045), (930, 696816), (992, 653265), (1080, 600036), (1116, 580680), (1240, 522612), (1296, 500030), (1395, 464544), (1440, 450027), (1488, 435510), (1613, 401760), (1620, 400024), (1674, 387120), (1860, 348408), (2160, 300018), (2232, 290340), (2480, 261306), (2511, 258080), (2592, 250015), (2790, 232272), (2976, 217755), (3226, 200880), (3240, 200012), (3348, 193560), (3720, 174204), (4185, 154848), (4320, 150009), (4464, 145170), (4839, 133920), (4960, 130653), (5022, 129040), (5580, 116136), (6452, 100440), (6480, 100006), (6696, 96780), (7440, 87102), (8065, 80352), (8370, 77424), (8928, 72585), (9678, 66960), (10044, 64520), (11160, 58068), (12555, 51616), (12904, 50220), (12960, 50003), (13392, 48390), (14517, 44640), (14880, 43551), (16130, 40176), (16740, 38712), (19356, 33480), (20088, 32260), (22320, 29034), (24195, 26784), (25110, 25808)]