85121280

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{821}}^1$

素因数の和:854

約数の個数: 180

約数和(自身を含む): 304950492

約数和(自身を除く): 219829212

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, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 768, 810, 821, 864, 960, 1080, 1152, 1280, 1296, 1440, 1620, 1642, 1728, 1920, 2160, 2304, 2463, 2592, 2880, 3240, 3284, 3456, 3840, 4105, 4320, 4926, 5184, 5760, 6480, 6568, 6912, 7389, 8210, 8640, 9852, 10368, 11520, 12315, 12960, 13136, 14778, 16420, 17280, 19704, 20736, 22167, 24630, 25920, 26272, 29556, 32840, 34560, 36945, 39408, 44334, 49260, 51840, 52544, 59112, 65680, 66501, 73890, 78816, 88668, 98520, 103680, 105088, 110835, 118224, 131360, 133002, 147780, 157632, 177336, 197040, 210176, 221670, 236448, 262720, 266004, 295560, 315264, 332505, 354672, 394080, 443340, 472896, 525440, 532008, 591120, 630528, 665010, 709344, 788160, 886680, 945792, 1050880, 1064016, 1182240, 1330020, 1418688, 1576320, 1773360, 1891584, 2128032, 2364480, 2660040, 2837376, 3152640, 3546720, 4256064, 4728960, 5320080, 5674752, 7093440, 8512128, 9457920, 10640160, 14186880, 17024256, 21280320, 28373760, 42560640, 85121280]

約数ペア:

[(1, 85121280), (2, 42560640), (3, 28373760), (4, 21280320), (5, 17024256), (6, 14186880), (8, 10640160), (9, 9457920), (10, 8512128), (12, 7093440), (15, 5674752), (16, 5320080), (18, 4728960), (20, 4256064), (24, 3546720), (27, 3152640), (30, 2837376), (32, 2660040), (36, 2364480), (40, 2128032), (45, 1891584), (48, 1773360), (54, 1576320), (60, 1418688), (64, 1330020), (72, 1182240), (80, 1064016), (81, 1050880), (90, 945792), (96, 886680), (108, 788160), (120, 709344), (128, 665010), (135, 630528), (144, 591120), (160, 532008), (162, 525440), (180, 472896), (192, 443340), (216, 394080), (240, 354672), (256, 332505), (270, 315264), (288, 295560), (320, 266004), (324, 262720), (360, 236448), (384, 221670), (405, 210176), (432, 197040), (480, 177336), (540, 157632), (576, 147780), (640, 133002), (648, 131360), (720, 118224), (768, 110835), (810, 105088), (821, 103680), (864, 98520), (960, 88668), (1080, 78816), (1152, 73890), (1280, 66501), (1296, 65680), (1440, 59112), (1620, 52544), (1642, 51840), (1728, 49260), (1920, 44334), (2160, 39408), (2304, 36945), (2463, 34560), (2592, 32840), (2880, 29556), (3240, 26272), (3284, 25920), (3456, 24630), (3840, 22167), (4105, 20736), (4320, 19704), (4926, 17280), (5184, 16420), (5760, 14778), (6480, 13136), (6568, 12960), (6912, 12315), (7389, 11520), (8210, 10368), (8640, 9852)]