689238720

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{26591}}^1$

素因数の和:26620

約数の個数: 140

約数和(自身を含む): 2451835584

約数和(自身を除く): 1762596864

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 12960, 25920, 26591, 53182, 79773, 106364, 132955, 159546, 212728, 239319, 265910, 319092, 398865, 425456, 478638, 531820, 638184, 717957, 797730, 850912, 957276, 1063640, 1196595, 1276368, 1435914, 1595460, 1701824, 1914552, 2127280, 2153871, 2393190, 2552736, 2871828, 3190920, 3589785, 3829104, 4254560, 4307742, 4786380, 5105472, 5743656, 6381840, 7179570, 7658208, 8509120, 8615484, 9572760, 10769355, 11487312, 12763680, 14359140, 15316416, 17230968, 19145520, 21538710, 22974624, 25527360, 28718280, 34461936, 38291040, 43077420, 45949248, 57436560, 68923872, 76582080, 86154840, 114873120, 137847744, 172309680, 229746240, 344619360, 689238720]

約数ペア:

[(1, 689238720), (2, 344619360), (3, 229746240), (4, 172309680), (5, 137847744), (6, 114873120), (8, 86154840), (9, 76582080), (10, 68923872), (12, 57436560), (15, 45949248), (16, 43077420), (18, 38291040), (20, 34461936), (24, 28718280), (27, 25527360), (30, 22974624), (32, 21538710), (36, 19145520), (40, 17230968), (45, 15316416), (48, 14359140), (54, 12763680), (60, 11487312), (64, 10769355), (72, 9572760), (80, 8615484), (81, 8509120), (90, 7658208), (96, 7179570), (108, 6381840), (120, 5743656), (135, 5105472), (144, 4786380), (160, 4307742), (162, 4254560), (180, 3829104), (192, 3589785), (216, 3190920), (240, 2871828), (270, 2552736), (288, 2393190), (320, 2153871), (324, 2127280), (360, 1914552), (405, 1701824), (432, 1595460), (480, 1435914), (540, 1276368), (576, 1196595), (648, 1063640), (720, 957276), (810, 850912), (864, 797730), (960, 717957), (1080, 638184), (1296, 531820), (1440, 478638), (1620, 425456), (1728, 398865), (2160, 319092), (2592, 265910), (2880, 239319), (3240, 212728), (4320, 159546), (5184, 132955), (6480, 106364), (8640, 79773), (12960, 53182), (25920, 26591)]