81018000

素因数分解:

$2^4\times 3^2\times 5^3\times 7^1\times {\mathrm{643}}^1$

素因数の和:679

約数の個数: 240

約数和(自身を含む): 323895936

約数和(自身を除く): 242877936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 125, 126, 140, 144, 150, 168, 175, 180, 200, 210, 225, 240, 250, 252, 280, 300, 315, 336, 350, 360, 375, 400, 420, 450, 500, 504, 525, 560, 600, 630, 643, 700, 720, 750, 840, 875, 900, 1000, 1008, 1050, 1125, 1200, 1260, 1286, 1400, 1500, 1575, 1680, 1750, 1800, 1929, 2000, 2100, 2250, 2520, 2572, 2625, 2800, 3000, 3150, 3215, 3500, 3600, 3858, 4200, 4500, 4501, 5040, 5144, 5250, 5787, 6000, 6300, 6430, 7000, 7716, 7875, 8400, 9000, 9002, 9645, 10288, 10500, 11574, 12600, 12860, 13503, 14000, 15432, 15750, 16075, 18000, 18004, 19290, 21000, 22505, 23148, 25200, 25720, 27006, 28935, 30864, 31500, 32150, 36008, 38580, 40509, 42000, 45010, 46296, 48225, 51440, 54012, 57870, 63000, 64300, 67515, 72016, 77160, 80375, 81018, 90020, 92592, 96450, 108024, 112525, 115740, 126000, 128600, 135030, 144675, 154320, 160750, 162036, 180040, 192900, 202545, 216048, 225050, 231480, 241125, 257200, 270060, 289350, 321500, 324072, 337575, 360080, 385800, 405090, 450100, 462960, 482250, 540120, 562625, 578700, 643000, 648144, 675150, 723375, 771600, 810180, 900200, 964500, 1012725, 1080240, 1125250, 1157400, 1286000, 1350300, 1446750, 1620360, 1687875, 1800400, 1929000, 2025450, 2250500, 2314800, 2700600, 2893500, 3240720, 3375750, 3858000, 4050900, 4501000, 5063625, 5401200, 5787000, 6751500, 8101800, 9002000, 10127250, 11574000, 13503000, 16203600, 20254500, 27006000, 40509000, 81018000]

約数ペア:

[(1, 81018000), (2, 40509000), (3, 27006000), (4, 20254500), (5, 16203600), (6, 13503000), (7, 11574000), (8, 10127250), (9, 9002000), (10, 8101800), (12, 6751500), (14, 5787000), (15, 5401200), (16, 5063625), (18, 4501000), (20, 4050900), (21, 3858000), (24, 3375750), (25, 3240720), (28, 2893500), (30, 2700600), (35, 2314800), (36, 2250500), (40, 2025450), (42, 1929000), (45, 1800400), (48, 1687875), (50, 1620360), (56, 1446750), (60, 1350300), (63, 1286000), (70, 1157400), (72, 1125250), (75, 1080240), (80, 1012725), (84, 964500), (90, 900200), (100, 810180), (105, 771600), (112, 723375), (120, 675150), (125, 648144), (126, 643000), (140, 578700), (144, 562625), (150, 540120), (168, 482250), (175, 462960), (180, 450100), (200, 405090), (210, 385800), (225, 360080), (240, 337575), (250, 324072), (252, 321500), (280, 289350), (300, 270060), (315, 257200), (336, 241125), (350, 231480), (360, 225050), (375, 216048), (400, 202545), (420, 192900), (450, 180040), (500, 162036), (504, 160750), (525, 154320), (560, 144675), (600, 135030), (630, 128600), (643, 126000), (700, 115740), (720, 112525), (750, 108024), (840, 96450), (875, 92592), (900, 90020), (1000, 81018), (1008, 80375), (1050, 77160), (1125, 72016), (1200, 67515), (1260, 64300), (1286, 63000), (1400, 57870), (1500, 54012), (1575, 51440), (1680, 48225), (1750, 46296), (1800, 45010), (1929, 42000), (2000, 40509), (2100, 38580), (2250, 36008), (2520, 32150), (2572, 31500), (2625, 30864), (2800, 28935), (3000, 27006), (3150, 25720), (3215, 25200), (3500, 23148), (3600, 22505), (3858, 21000), (4200, 19290), (4500, 18004), (4501, 18000), (5040, 16075), (5144, 15750), (5250, 15432), (5787, 14000), (6000, 13503), (6300, 12860), (6430, 12600), (7000, 11574), (7716, 10500), (7875, 10288), (8400, 9645), (9000, 9002)]