640944000

素因数分解:

$2^7\times 3^2\times 5^3\times {\mathrm{4451}}^1$

素因数の和:4486

約数の個数: 192

約数和(自身を含む): 2302307280

約数和(自身を除く): 1661363280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 125, 128, 144, 150, 160, 180, 192, 200, 225, 240, 250, 288, 300, 320, 360, 375, 384, 400, 450, 480, 500, 576, 600, 640, 720, 750, 800, 900, 960, 1000, 1125, 1152, 1200, 1440, 1500, 1600, 1800, 1920, 2000, 2250, 2400, 2880, 3000, 3200, 3600, 4000, 4451, 4500, 4800, 5760, 6000, 7200, 8000, 8902, 9000, 9600, 12000, 13353, 14400, 16000, 17804, 18000, 22255, 24000, 26706, 28800, 35608, 36000, 40059, 44510, 48000, 53412, 66765, 71216, 72000, 80118, 89020, 106824, 111275, 133530, 142432, 144000, 160236, 178040, 200295, 213648, 222550, 267060, 284864, 320472, 333825, 356080, 400590, 427296, 445100, 534120, 556375, 569728, 640944, 667650, 712160, 801180, 854592, 890200, 1001475, 1068240, 1112750, 1281888, 1335300, 1424320, 1602360, 1669125, 1709184, 1780400, 2002950, 2136480, 2225500, 2563776, 2670600, 2848640, 3204720, 3338250, 3560800, 4005900, 4272960, 4451000, 5007375, 5127552, 5341200, 6409440, 6676500, 7121600, 8011800, 8545920, 8902000, 10014750, 10682400, 12818880, 13353000, 14243200, 16023600, 17804000, 20029500, 21364800, 25637760, 26706000, 32047200, 35608000, 40059000, 42729600, 53412000, 64094400, 71216000, 80118000, 106824000, 128188800, 160236000, 213648000, 320472000, 640944000]

約数ペア:

[(1, 640944000), (2, 320472000), (3, 213648000), (4, 160236000), (5, 128188800), (6, 106824000), (8, 80118000), (9, 71216000), (10, 64094400), (12, 53412000), (15, 42729600), (16, 40059000), (18, 35608000), (20, 32047200), (24, 26706000), (25, 25637760), (30, 21364800), (32, 20029500), (36, 17804000), (40, 16023600), (45, 14243200), (48, 13353000), (50, 12818880), (60, 10682400), (64, 10014750), (72, 8902000), (75, 8545920), (80, 8011800), (90, 7121600), (96, 6676500), (100, 6409440), (120, 5341200), (125, 5127552), (128, 5007375), (144, 4451000), (150, 4272960), (160, 4005900), (180, 3560800), (192, 3338250), (200, 3204720), (225, 2848640), (240, 2670600), (250, 2563776), (288, 2225500), (300, 2136480), (320, 2002950), (360, 1780400), (375, 1709184), (384, 1669125), (400, 1602360), (450, 1424320), (480, 1335300), (500, 1281888), (576, 1112750), (600, 1068240), (640, 1001475), (720, 890200), (750, 854592), (800, 801180), (900, 712160), (960, 667650), (1000, 640944), (1125, 569728), (1152, 556375), (1200, 534120), (1440, 445100), (1500, 427296), (1600, 400590), (1800, 356080), (1920, 333825), (2000, 320472), (2250, 284864), (2400, 267060), (2880, 222550), (3000, 213648), (3200, 200295), (3600, 178040), (4000, 160236), (4451, 144000), (4500, 142432), (4800, 133530), (5760, 111275), (6000, 106824), (7200, 89020), (8000, 80118), (8902, 72000), (9000, 71216), (9600, 66765), (12000, 53412), (13353, 48000), (14400, 44510), (16000, 40059), (17804, 36000), (18000, 35608), (22255, 28800), (24000, 26706)]