640656000

素因数分解:

$2^7\times 3^3\times 5^3\times {\mathrm{1483}}^1$

素因数の和:1521

約数の個数: 256

約数和(自身を含む): 2361340800

約数和(自身を除く): 1720684800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 125, 128, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 250, 270, 288, 300, 320, 360, 375, 384, 400, 432, 450, 480, 500, 540, 576, 600, 640, 675, 720, 750, 800, 864, 900, 960, 1000, 1080, 1125, 1152, 1200, 1350, 1440, 1483, 1500, 1600, 1728, 1800, 1920, 2000, 2160, 2250, 2400, 2700, 2880, 2966, 3000, 3200, 3375, 3456, 3600, 4000, 4320, 4449, 4500, 4800, 5400, 5760, 5932, 6000, 6750, 7200, 7415, 8000, 8640, 8898, 9000, 9600, 10800, 11864, 12000, 13347, 13500, 14400, 14830, 16000, 17280, 17796, 18000, 21600, 22245, 23728, 24000, 26694, 27000, 28800, 29660, 35592, 36000, 37075, 40041, 43200, 44490, 47456, 48000, 53388, 54000, 59320, 66735, 71184, 72000, 74150, 80082, 86400, 88980, 94912, 106776, 108000, 111225, 118640, 133470, 142368, 144000, 148300, 160164, 177960, 185375, 189824, 200205, 213552, 216000, 222450, 237280, 266940, 284736, 296600, 320328, 333675, 355920, 370750, 400410, 427104, 432000, 444900, 474560, 533880, 556125, 569472, 593200, 640656, 667350, 711840, 741500, 800820, 854208, 889800, 949120, 1001025, 1067760, 1112250, 1186400, 1281312, 1334700, 1423680, 1483000, 1601640, 1668375, 1708416, 1779600, 2002050, 2135520, 2224500, 2372800, 2562624, 2669400, 2847360, 2966000, 3203280, 3336750, 3559200, 4004100, 4271040, 4449000, 4745600, 5005125, 5125248, 5338800, 5932000, 6406560, 6673500, 7118400, 8008200, 8542080, 8898000, 10010250, 10677600, 11864000, 12813120, 13347000, 14236800, 16016400, 17796000, 20020500, 21355200, 23728000, 25626240, 26694000, 32032800, 35592000, 40041000, 42710400, 53388000, 64065600, 71184000, 80082000, 106776000, 128131200, 160164000, 213552000, 320328000, 640656000]

約数ペア:

[(1, 640656000), (2, 320328000), (3, 213552000), (4, 160164000), (5, 128131200), (6, 106776000), (8, 80082000), (9, 71184000), (10, 64065600), (12, 53388000), (15, 42710400), (16, 40041000), (18, 35592000), (20, 32032800), (24, 26694000), (25, 25626240), (27, 23728000), (30, 21355200), (32, 20020500), (36, 17796000), (40, 16016400), (45, 14236800), (48, 13347000), (50, 12813120), (54, 11864000), (60, 10677600), (64, 10010250), (72, 8898000), (75, 8542080), (80, 8008200), (90, 7118400), (96, 6673500), (100, 6406560), (108, 5932000), (120, 5338800), (125, 5125248), (128, 5005125), (135, 4745600), (144, 4449000), (150, 4271040), (160, 4004100), (180, 3559200), (192, 3336750), (200, 3203280), (216, 2966000), (225, 2847360), (240, 2669400), (250, 2562624), (270, 2372800), (288, 2224500), (300, 2135520), (320, 2002050), (360, 1779600), (375, 1708416), (384, 1668375), (400, 1601640), (432, 1483000), (450, 1423680), (480, 1334700), (500, 1281312), (540, 1186400), (576, 1112250), (600, 1067760), (640, 1001025), (675, 949120), (720, 889800), (750, 854208), (800, 800820), (864, 741500), (900, 711840), (960, 667350), (1000, 640656), (1080, 593200), (1125, 569472), (1152, 556125), (1200, 533880), (1350, 474560), (1440, 444900), (1483, 432000), (1500, 427104), (1600, 400410), (1728, 370750), (1800, 355920), (1920, 333675), (2000, 320328), (2160, 296600), (2250, 284736), (2400, 266940), (2700, 237280), (2880, 222450), (2966, 216000), (3000, 213552), (3200, 200205), (3375, 189824), (3456, 185375), (3600, 177960), (4000, 160164), (4320, 148300), (4449, 144000), (4500, 142368), (4800, 133470), (5400, 118640), (5760, 111225), (5932, 108000), (6000, 106776), (6750, 94912), (7200, 88980), (7415, 86400), (8000, 80082), (8640, 74150), (8898, 72000), (9000, 71184), (9600, 66735), (10800, 59320), (11864, 54000), (12000, 53388), (13347, 48000), (13500, 47456), (14400, 44490), (14830, 43200), (16000, 40041), (17280, 37075), (17796, 36000), (18000, 35592), (21600, 29660), (22245, 28800), (23728, 27000), (24000, 26694)]