640956000

素因数分解:

$2^5\times 3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1723}}^1$

素因数の和:1782

約数の個数: 192

約数和(自身を含む): 2168764416

約数和(自身を除く): 1527808416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 32, 40, 48, 50, 60, 62, 75, 80, 93, 96, 100, 120, 124, 125, 150, 155, 160, 186, 200, 240, 248, 250, 300, 310, 372, 375, 400, 465, 480, 496, 500, 600, 620, 744, 750, 775, 800, 930, 992, 1000, 1200, 1240, 1488, 1500, 1550, 1723, 1860, 2000, 2325, 2400, 2480, 2976, 3000, 3100, 3446, 3720, 3875, 4000, 4650, 4960, 5169, 6000, 6200, 6892, 7440, 7750, 8615, 9300, 10338, 11625, 12000, 12400, 13784, 14880, 15500, 17230, 18600, 20676, 23250, 24800, 25845, 27568, 31000, 34460, 37200, 41352, 43075, 46500, 51690, 53413, 55136, 62000, 68920, 74400, 82704, 86150, 93000, 103380, 106826, 124000, 129225, 137840, 160239, 165408, 172300, 186000, 206760, 213652, 215375, 258450, 267065, 275680, 320478, 344600, 372000, 413520, 427304, 430750, 516900, 534130, 640956, 646125, 689200, 801195, 827040, 854608, 861500, 1033800, 1068260, 1281912, 1292250, 1335325, 1378400, 1602390, 1709216, 1723000, 2067600, 2136520, 2563824, 2584500, 2670650, 3204780, 3446000, 4005975, 4135200, 4273040, 5127648, 5169000, 5341300, 6409560, 6676625, 6892000, 8011950, 8546080, 10338000, 10682600, 12819120, 13353250, 16023900, 20029875, 20676000, 21365200, 25638240, 26706500, 32047800, 40059750, 42730400, 53413000, 64095600, 80119500, 106826000, 128191200, 160239000, 213652000, 320478000, 640956000]

約数ペア:

[(1, 640956000), (2, 320478000), (3, 213652000), (4, 160239000), (5, 128191200), (6, 106826000), (8, 80119500), (10, 64095600), (12, 53413000), (15, 42730400), (16, 40059750), (20, 32047800), (24, 26706500), (25, 25638240), (30, 21365200), (31, 20676000), (32, 20029875), (40, 16023900), (48, 13353250), (50, 12819120), (60, 10682600), (62, 10338000), (75, 8546080), (80, 8011950), (93, 6892000), (96, 6676625), (100, 6409560), (120, 5341300), (124, 5169000), (125, 5127648), (150, 4273040), (155, 4135200), (160, 4005975), (186, 3446000), (200, 3204780), (240, 2670650), (248, 2584500), (250, 2563824), (300, 2136520), (310, 2067600), (372, 1723000), (375, 1709216), (400, 1602390), (465, 1378400), (480, 1335325), (496, 1292250), (500, 1281912), (600, 1068260), (620, 1033800), (744, 861500), (750, 854608), (775, 827040), (800, 801195), (930, 689200), (992, 646125), (1000, 640956), (1200, 534130), (1240, 516900), (1488, 430750), (1500, 427304), (1550, 413520), (1723, 372000), (1860, 344600), (2000, 320478), (2325, 275680), (2400, 267065), (2480, 258450), (2976, 215375), (3000, 213652), (3100, 206760), (3446, 186000), (3720, 172300), (3875, 165408), (4000, 160239), (4650, 137840), (4960, 129225), (5169, 124000), (6000, 106826), (6200, 103380), (6892, 93000), (7440, 86150), (7750, 82704), (8615, 74400), (9300, 68920), (10338, 62000), (11625, 55136), (12000, 53413), (12400, 51690), (13784, 46500), (14880, 43075), (15500, 41352), (17230, 37200), (18600, 34460), (20676, 31000), (23250, 27568), (24800, 25845)]