640920000

素因数分解:

$2^6\times 3^1\times 5^4\times 7^2\times {\mathrm{109}}^1$

素因数の和:158

約数の個数: 420

約数和(自身を含む): 2487609960

約数和(自身を除く): 1846689960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 49, 50, 56, 60, 64, 70, 75, 80, 84, 96, 98, 100, 105, 109, 112, 120, 125, 140, 147, 150, 160, 168, 175, 192, 196, 200, 210, 218, 224, 240, 245, 250, 280, 294, 300, 320, 327, 336, 350, 375, 392, 400, 420, 436, 448, 480, 490, 500, 525, 545, 560, 588, 600, 625, 654, 672, 700, 735, 750, 763, 784, 800, 840, 872, 875, 960, 980, 1000, 1050, 1090, 1120, 1176, 1200, 1225, 1250, 1308, 1344, 1400, 1470, 1500, 1526, 1568, 1600, 1635, 1680, 1744, 1750, 1875, 1960, 2000, 2100, 2180, 2240, 2289, 2352, 2400, 2450, 2500, 2616, 2625, 2725, 2800, 2940, 3000, 3052, 3136, 3270, 3360, 3488, 3500, 3675, 3750, 3815, 3920, 4000, 4200, 4360, 4375, 4578, 4704, 4800, 4900, 5000, 5232, 5250, 5341, 5450, 5600, 5880, 6000, 6104, 6125, 6540, 6720, 6976, 7000, 7350, 7500, 7630, 7840, 8000, 8175, 8400, 8720, 8750, 9156, 9408, 9800, 10000, 10464, 10500, 10682, 10900, 11200, 11445, 11760, 12000, 12208, 12250, 13080, 13125, 13625, 14000, 14700, 15000, 15260, 15680, 16023, 16350, 16800, 17440, 17500, 18312, 18375, 19075, 19600, 20000, 20928, 21000, 21364, 21800, 22890, 23520, 24000, 24416, 24500, 26160, 26250, 26705, 27250, 28000, 29400, 30000, 30520, 30625, 32046, 32700, 33600, 34880, 35000, 36624, 36750, 38150, 39200, 40000, 40875, 42000, 42728, 43600, 45780, 47040, 48832, 49000, 52320, 52500, 53410, 54500, 56000, 57225, 58800, 60000, 61040, 61250, 64092, 65400, 68125, 70000, 73248, 73500, 76300, 78400, 80115, 81750, 84000, 85456, 87200, 91560, 91875, 95375, 98000, 104640, 105000, 106820, 109000, 114450, 117600, 120000, 122080, 122500, 128184, 130800, 133525, 136250, 140000, 146496, 147000, 152600, 160230, 163500, 168000, 170912, 174400, 183120, 183750, 190750, 196000, 204375, 210000, 213640, 218000, 228900, 235200, 244160, 245000, 256368, 261600, 267050, 272500, 280000, 286125, 294000, 305200, 320460, 327000, 341824, 366240, 367500, 381500, 392000, 400575, 408750, 420000, 427280, 436000, 457800, 476875, 490000, 512736, 523200, 534100, 545000, 572250, 588000, 610400, 640920, 654000, 667625, 732480, 735000, 763000, 801150, 817500, 840000, 854560, 872000, 915600, 953750, 980000, 1025472, 1068200, 1090000, 1144500, 1176000, 1220800, 1281840, 1308000, 1335250, 1430625, 1470000, 1526000, 1602300, 1635000, 1709120, 1831200, 1907500, 1960000, 2002875, 2136400, 2180000, 2289000, 2563680, 2616000, 2670500, 2861250, 2940000, 3052000, 3204600, 3270000, 3338125, 3662400, 3815000, 4005750, 4272800, 4360000, 4578000, 5127360, 5341000, 5722500, 5880000, 6104000, 6409200, 6540000, 6676250, 7630000, 8011500, 8545600, 9156000, 10014375, 10682000, 11445000, 12818400, 13080000, 13352500, 15260000, 16023000, 18312000, 20028750, 21364000, 22890000, 25636800, 26705000, 30520000, 32046000, 40057500, 42728000, 45780000, 53410000, 64092000, 80115000, 91560000, 106820000, 128184000, 160230000, 213640000, 320460000, 640920000]

約数ペア:

[(1, 640920000), (2, 320460000), (3, 213640000), (4, 160230000), (5, 128184000), (6, 106820000), (7, 91560000), (8, 80115000), (10, 64092000), (12, 53410000), (14, 45780000), (15, 42728000), (16, 40057500), (20, 32046000), (21, 30520000), (24, 26705000), (25, 25636800), (28, 22890000), (30, 21364000), (32, 20028750), (35, 18312000), (40, 16023000), (42, 15260000), (48, 13352500), (49, 13080000), (50, 12818400), (56, 11445000), (60, 10682000), (64, 10014375), (70, 9156000), (75, 8545600), (80, 8011500), (84, 7630000), (96, 6676250), (98, 6540000), (100, 6409200), (105, 6104000), (109, 5880000), (112, 5722500), (120, 5341000), (125, 5127360), (140, 4578000), (147, 4360000), (150, 4272800), (160, 4005750), (168, 3815000), (175, 3662400), (192, 3338125), (196, 3270000), (200, 3204600), (210, 3052000), (218, 2940000), (224, 2861250), (240, 2670500), (245, 2616000), (250, 2563680), (280, 2289000), (294, 2180000), (300, 2136400), (320, 2002875), (327, 1960000), (336, 1907500), (350, 1831200), (375, 1709120), (392, 1635000), (400, 1602300), (420, 1526000), (436, 1470000), (448, 1430625), (480, 1335250), (490, 1308000), (500, 1281840), (525, 1220800), (545, 1176000), (560, 1144500), (588, 1090000), (600, 1068200), (625, 1025472), (654, 980000), (672, 953750), (700, 915600), (735, 872000), (750, 854560), (763, 840000), (784, 817500), (800, 801150), (840, 763000), (872, 735000), (875, 732480), (960, 667625), (980, 654000), (1000, 640920), (1050, 610400), (1090, 588000), (1120, 572250), (1176, 545000), (1200, 534100), (1225, 523200), (1250, 512736), (1308, 490000), (1344, 476875), (1400, 457800), (1470, 436000), (1500, 427280), (1526, 420000), (1568, 408750), (1600, 400575), (1635, 392000), (1680, 381500), (1744, 367500), (1750, 366240), (1875, 341824), (1960, 327000), (2000, 320460), (2100, 305200), (2180, 294000), (2240, 286125), (2289, 280000), (2352, 272500), (2400, 267050), (2450, 261600), (2500, 256368), (2616, 245000), (2625, 244160), (2725, 235200), (2800, 228900), (2940, 218000), (3000, 213640), (3052, 210000), (3136, 204375), (3270, 196000), (3360, 190750), (3488, 183750), (3500, 183120), (3675, 174400), (3750, 170912), (3815, 168000), (3920, 163500), (4000, 160230), (4200, 152600), (4360, 147000), (4375, 146496), (4578, 140000), (4704, 136250), (4800, 133525), (4900, 130800), (5000, 128184), (5232, 122500), (5250, 122080), (5341, 120000), (5450, 117600), (5600, 114450), (5880, 109000), (6000, 106820), (6104, 105000), (6125, 104640), (6540, 98000), (6720, 95375), (6976, 91875), (7000, 91560), (7350, 87200), (7500, 85456), (7630, 84000), (7840, 81750), (8000, 80115), (8175, 78400), (8400, 76300), (8720, 73500), (8750, 73248), (9156, 70000), (9408, 68125), (9800, 65400), (10000, 64092), (10464, 61250), (10500, 61040), (10682, 60000), (10900, 58800), (11200, 57225), (11445, 56000), (11760, 54500), (12000, 53410), (12208, 52500), (12250, 52320), (13080, 49000), (13125, 48832), (13625, 47040), (14000, 45780), (14700, 43600), (15000, 42728), (15260, 42000), (15680, 40875), (16023, 40000), (16350, 39200), (16800, 38150), (17440, 36750), (17500, 36624), (18312, 35000), (18375, 34880), (19075, 33600), (19600, 32700), (20000, 32046), (20928, 30625), (21000, 30520), (21364, 30000), (21800, 29400), (22890, 28000), (23520, 27250), (24000, 26705), (24416, 26250), (24500, 26160)]