31080000

素因数分解:

$2^6\times 3^1\times 5^4\times 7^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 280

約数和(自身を含む): 120611392

約数和(自身を除く): 89531392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 37, 40, 42, 48, 50, 56, 60, 64, 70, 74, 75, 80, 84, 96, 100, 105, 111, 112, 120, 125, 140, 148, 150, 160, 168, 175, 185, 192, 200, 210, 222, 224, 240, 250, 259, 280, 296, 300, 320, 336, 350, 370, 375, 400, 420, 444, 448, 480, 500, 518, 525, 555, 560, 592, 600, 625, 672, 700, 740, 750, 777, 800, 840, 875, 888, 925, 960, 1000, 1036, 1050, 1110, 1120, 1184, 1200, 1250, 1295, 1344, 1400, 1480, 1500, 1554, 1600, 1680, 1750, 1776, 1850, 1875, 2000, 2072, 2100, 2220, 2240, 2368, 2400, 2500, 2590, 2625, 2775, 2800, 2960, 3000, 3108, 3360, 3500, 3552, 3700, 3750, 3885, 4000, 4144, 4200, 4375, 4440, 4625, 4800, 5000, 5180, 5250, 5550, 5600, 5920, 6000, 6216, 6475, 6720, 7000, 7104, 7400, 7500, 7770, 8000, 8288, 8400, 8750, 8880, 9250, 10000, 10360, 10500, 11100, 11200, 11840, 12000, 12432, 12950, 13125, 13875, 14000, 14800, 15000, 15540, 16576, 16800, 17500, 17760, 18500, 19425, 20000, 20720, 21000, 22200, 23125, 24000, 24864, 25900, 26250, 27750, 28000, 29600, 30000, 31080, 32375, 33600, 35000, 35520, 37000, 38850, 40000, 41440, 42000, 44400, 46250, 49728, 51800, 52500, 55500, 56000, 59200, 60000, 62160, 64750, 69375, 70000, 74000, 77700, 82880, 84000, 88800, 92500, 97125, 103600, 105000, 111000, 120000, 124320, 129500, 138750, 140000, 148000, 155400, 161875, 168000, 177600, 185000, 194250, 207200, 210000, 222000, 248640, 259000, 277500, 280000, 296000, 310800, 323750, 370000, 388500, 414400, 420000, 444000, 485625, 518000, 555000, 621600, 647500, 740000, 777000, 840000, 888000, 971250, 1036000, 1110000, 1243200, 1295000, 1480000, 1554000, 1942500, 2072000, 2220000, 2590000, 3108000, 3885000, 4440000, 5180000, 6216000, 7770000, 10360000, 15540000, 31080000]

約数ペア:

[(1, 31080000), (2, 15540000), (3, 10360000), (4, 7770000), (5, 6216000), (6, 5180000), (7, 4440000), (8, 3885000), (10, 3108000), (12, 2590000), (14, 2220000), (15, 2072000), (16, 1942500), (20, 1554000), (21, 1480000), (24, 1295000), (25, 1243200), (28, 1110000), (30, 1036000), (32, 971250), (35, 888000), (37, 840000), (40, 777000), (42, 740000), (48, 647500), (50, 621600), (56, 555000), (60, 518000), (64, 485625), (70, 444000), (74, 420000), (75, 414400), (80, 388500), (84, 370000), (96, 323750), (100, 310800), (105, 296000), (111, 280000), (112, 277500), (120, 259000), (125, 248640), (140, 222000), (148, 210000), (150, 207200), (160, 194250), (168, 185000), (175, 177600), (185, 168000), (192, 161875), (200, 155400), (210, 148000), (222, 140000), (224, 138750), (240, 129500), (250, 124320), (259, 120000), (280, 111000), (296, 105000), (300, 103600), (320, 97125), (336, 92500), (350, 88800), (370, 84000), (375, 82880), (400, 77700), (420, 74000), (444, 70000), (448, 69375), (480, 64750), (500, 62160), (518, 60000), (525, 59200), (555, 56000), (560, 55500), (592, 52500), (600, 51800), (625, 49728), (672, 46250), (700, 44400), (740, 42000), (750, 41440), (777, 40000), (800, 38850), (840, 37000), (875, 35520), (888, 35000), (925, 33600), (960, 32375), (1000, 31080), (1036, 30000), (1050, 29600), (1110, 28000), (1120, 27750), (1184, 26250), (1200, 25900), (1250, 24864), (1295, 24000), (1344, 23125), (1400, 22200), (1480, 21000), (1500, 20720), (1554, 20000), (1600, 19425), (1680, 18500), (1750, 17760), (1776, 17500), (1850, 16800), (1875, 16576), (2000, 15540), (2072, 15000), (2100, 14800), (2220, 14000), (2240, 13875), (2368, 13125), (2400, 12950), (2500, 12432), (2590, 12000), (2625, 11840), (2775, 11200), (2800, 11100), (2960, 10500), (3000, 10360), (3108, 10000), (3360, 9250), (3500, 8880), (3552, 8750), (3700, 8400), (3750, 8288), (3885, 8000), (4000, 7770), (4144, 7500), (4200, 7400), (4375, 7104), (4440, 7000), (4625, 6720), (4800, 6475), (5000, 6216), (5180, 6000), (5250, 5920), (5550, 5600)]