640470000

素因数分解:

$2^4\times 3^1\times 5^4\times {\mathrm{37}}^1\times {\mathrm{577}}^1$

素因数の和:645

約数の個数: 200

約数和(自身を含む): 2127081616

約数和(自身を除く): 1486611616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 37, 40, 48, 50, 60, 74, 75, 80, 100, 111, 120, 125, 148, 150, 185, 200, 222, 240, 250, 296, 300, 370, 375, 400, 444, 500, 555, 577, 592, 600, 625, 740, 750, 888, 925, 1000, 1110, 1154, 1200, 1250, 1480, 1500, 1731, 1776, 1850, 1875, 2000, 2220, 2308, 2500, 2775, 2885, 2960, 3000, 3462, 3700, 3750, 4440, 4616, 4625, 5000, 5550, 5770, 6000, 6924, 7400, 7500, 8655, 8880, 9232, 9250, 10000, 11100, 11540, 13848, 13875, 14425, 14800, 15000, 17310, 18500, 21349, 22200, 23080, 23125, 27696, 27750, 28850, 30000, 34620, 37000, 42698, 43275, 44400, 46160, 46250, 55500, 57700, 64047, 69240, 69375, 72125, 74000, 85396, 86550, 92500, 106745, 111000, 115400, 128094, 138480, 138750, 144250, 170792, 173100, 185000, 213490, 216375, 222000, 230800, 256188, 277500, 288500, 320235, 341584, 346200, 360625, 370000, 426980, 432750, 512376, 533725, 555000, 577000, 640470, 692400, 721250, 853960, 865500, 1024752, 1067450, 1081875, 1110000, 1154000, 1280940, 1442500, 1601175, 1707920, 1731000, 2134900, 2163750, 2561880, 2668625, 2885000, 3202350, 3462000, 4269800, 4327500, 5123760, 5337250, 5770000, 6404700, 8005875, 8539600, 8655000, 10674500, 12809400, 13343125, 16011750, 17310000, 21349000, 25618800, 26686250, 32023500, 40029375, 42698000, 53372500, 64047000, 80058750, 106745000, 128094000, 160117500, 213490000, 320235000, 640470000]

約数ペア:

[(1, 640470000), (2, 320235000), (3, 213490000), (4, 160117500), (5, 128094000), (6, 106745000), (8, 80058750), (10, 64047000), (12, 53372500), (15, 42698000), (16, 40029375), (20, 32023500), (24, 26686250), (25, 25618800), (30, 21349000), (37, 17310000), (40, 16011750), (48, 13343125), (50, 12809400), (60, 10674500), (74, 8655000), (75, 8539600), (80, 8005875), (100, 6404700), (111, 5770000), (120, 5337250), (125, 5123760), (148, 4327500), (150, 4269800), (185, 3462000), (200, 3202350), (222, 2885000), (240, 2668625), (250, 2561880), (296, 2163750), (300, 2134900), (370, 1731000), (375, 1707920), (400, 1601175), (444, 1442500), (500, 1280940), (555, 1154000), (577, 1110000), (592, 1081875), (600, 1067450), (625, 1024752), (740, 865500), (750, 853960), (888, 721250), (925, 692400), (1000, 640470), (1110, 577000), (1154, 555000), (1200, 533725), (1250, 512376), (1480, 432750), (1500, 426980), (1731, 370000), (1776, 360625), (1850, 346200), (1875, 341584), (2000, 320235), (2220, 288500), (2308, 277500), (2500, 256188), (2775, 230800), (2885, 222000), (2960, 216375), (3000, 213490), (3462, 185000), (3700, 173100), (3750, 170792), (4440, 144250), (4616, 138750), (4625, 138480), (5000, 128094), (5550, 115400), (5770, 111000), (6000, 106745), (6924, 92500), (7400, 86550), (7500, 85396), (8655, 74000), (8880, 72125), (9232, 69375), (9250, 69240), (10000, 64047), (11100, 57700), (11540, 55500), (13848, 46250), (13875, 46160), (14425, 44400), (14800, 43275), (15000, 42698), (17310, 37000), (18500, 34620), (21349, 30000), (22200, 28850), (23080, 27750), (23125, 27696)]