127681920

素因数分解:

$2^7\times 3^5\times 5^1\times {\mathrm{821}}^1$

素因数の和:855

約数の個数: 192

約数和(自身を含む): 457788240

約数和(自身を除く): 330106320

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, 243, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 810, 821, 864, 960, 972, 1080, 1152, 1215, 1296, 1440, 1620, 1642, 1728, 1920, 1944, 2160, 2430, 2463, 2592, 2880, 3240, 3284, 3456, 3888, 4105, 4320, 4860, 4926, 5184, 5760, 6480, 6568, 7389, 7776, 8210, 8640, 9720, 9852, 10368, 12315, 12960, 13136, 14778, 15552, 16420, 17280, 19440, 19704, 22167, 24630, 25920, 26272, 29556, 31104, 32840, 36945, 38880, 39408, 44334, 49260, 51840, 52544, 59112, 65680, 66501, 73890, 77760, 78816, 88668, 98520, 105088, 110835, 118224, 131360, 133002, 147780, 155520, 157632, 177336, 197040, 199503, 221670, 236448, 262720, 266004, 295560, 315264, 332505, 354672, 394080, 399006, 443340, 472896, 525440, 532008, 591120, 665010, 709344, 788160, 798012, 886680, 945792, 997515, 1064016, 1182240, 1330020, 1418688, 1576320, 1596024, 1773360, 1995030, 2128032, 2364480, 2660040, 2837376, 3192048, 3546720, 3990060, 4256064, 4728960, 5320080, 6384096, 7093440, 7980120, 8512128, 10640160, 12768192, 14186880, 15960240, 21280320, 25536384, 31920480, 42560640, 63840960, 127681920]

約数ペア:

[(1, 127681920), (2, 63840960), (3, 42560640), (4, 31920480), (5, 25536384), (6, 21280320), (8, 15960240), (9, 14186880), (10, 12768192), (12, 10640160), (15, 8512128), (16, 7980120), (18, 7093440), (20, 6384096), (24, 5320080), (27, 4728960), (30, 4256064), (32, 3990060), (36, 3546720), (40, 3192048), (45, 2837376), (48, 2660040), (54, 2364480), (60, 2128032), (64, 1995030), (72, 1773360), (80, 1596024), (81, 1576320), (90, 1418688), (96, 1330020), (108, 1182240), (120, 1064016), (128, 997515), (135, 945792), (144, 886680), (160, 798012), (162, 788160), (180, 709344), (192, 665010), (216, 591120), (240, 532008), (243, 525440), (270, 472896), (288, 443340), (320, 399006), (324, 394080), (360, 354672), (384, 332505), (405, 315264), (432, 295560), (480, 266004), (486, 262720), (540, 236448), (576, 221670), (640, 199503), (648, 197040), (720, 177336), (810, 157632), (821, 155520), (864, 147780), (960, 133002), (972, 131360), (1080, 118224), (1152, 110835), (1215, 105088), (1296, 98520), (1440, 88668), (1620, 78816), (1642, 77760), (1728, 73890), (1920, 66501), (1944, 65680), (2160, 59112), (2430, 52544), (2463, 51840), (2592, 49260), (2880, 44334), (3240, 39408), (3284, 38880), (3456, 36945), (3888, 32840), (4105, 31104), (4320, 29556), (4860, 26272), (4926, 25920), (5184, 24630), (5760, 22167), (6480, 19704), (6568, 19440), (7389, 17280), (7776, 16420), (8210, 15552), (8640, 14778), (9720, 13136), (9852, 12960), (10368, 12315)]