680970240

素因数分解:

$2^{11}\times 3^4\times 5^1\times {\mathrm{821}}^1$

素因数の和:860

約数の個数: 240

約数和(自身を含む): 2443781340

約数和(自身を除く): 1762811100

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, 512, 540, 576, 640, 648, 720, 768, 810, 821, 864, 960, 1024, 1080, 1152, 1280, 1296, 1440, 1536, 1620, 1642, 1728, 1920, 2048, 2160, 2304, 2463, 2560, 2592, 2880, 3072, 3240, 3284, 3456, 3840, 4105, 4320, 4608, 4926, 5120, 5184, 5760, 6144, 6480, 6568, 6912, 7389, 7680, 8210, 8640, 9216, 9852, 10240, 10368, 11520, 12315, 12960, 13136, 13824, 14778, 15360, 16420, 17280, 18432, 19704, 20736, 22167, 23040, 24630, 25920, 26272, 27648, 29556, 30720, 32840, 34560, 36945, 39408, 41472, 44334, 46080, 49260, 51840, 52544, 55296, 59112, 65680, 66501, 69120, 73890, 78816, 82944, 88668, 92160, 98520, 103680, 105088, 110835, 118224, 131360, 133002, 138240, 147780, 157632, 165888, 177336, 197040, 207360, 210176, 221670, 236448, 262720, 266004, 276480, 295560, 315264, 332505, 354672, 394080, 414720, 420352, 443340, 472896, 525440, 532008, 591120, 630528, 665010, 709344, 788160, 829440, 840704, 886680, 945792, 1050880, 1064016, 1182240, 1261056, 1330020, 1418688, 1576320, 1681408, 1773360, 1891584, 2101760, 2128032, 2364480, 2522112, 2660040, 2837376, 3152640, 3546720, 3783168, 4203520, 4256064, 4728960, 5044224, 5320080, 5674752, 6305280, 7093440, 7566336, 8407040, 8512128, 9457920, 10640160, 11349504, 12610560, 14186880, 15132672, 17024256, 18915840, 21280320, 22699008, 25221120, 28373760, 34048512, 37831680, 42560640, 45398016, 56747520, 68097024, 75663360, 85121280, 113495040, 136194048, 170242560, 226990080, 340485120, 680970240]

約数ペア:

[(1, 680970240), (2, 340485120), (3, 226990080), (4, 170242560), (5, 136194048), (6, 113495040), (8, 85121280), (9, 75663360), (10, 68097024), (12, 56747520), (15, 45398016), (16, 42560640), (18, 37831680), (20, 34048512), (24, 28373760), (27, 25221120), (30, 22699008), (32, 21280320), (36, 18915840), (40, 17024256), (45, 15132672), (48, 14186880), (54, 12610560), (60, 11349504), (64, 10640160), (72, 9457920), (80, 8512128), (81, 8407040), (90, 7566336), (96, 7093440), (108, 6305280), (120, 5674752), (128, 5320080), (135, 5044224), (144, 4728960), (160, 4256064), (162, 4203520), (180, 3783168), (192, 3546720), (216, 3152640), (240, 2837376), (256, 2660040), (270, 2522112), (288, 2364480), (320, 2128032), (324, 2101760), (360, 1891584), (384, 1773360), (405, 1681408), (432, 1576320), (480, 1418688), (512, 1330020), (540, 1261056), (576, 1182240), (640, 1064016), (648, 1050880), (720, 945792), (768, 886680), (810, 840704), (821, 829440), (864, 788160), (960, 709344), (1024, 665010), (1080, 630528), (1152, 591120), (1280, 532008), (1296, 525440), (1440, 472896), (1536, 443340), (1620, 420352), (1642, 414720), (1728, 394080), (1920, 354672), (2048, 332505), (2160, 315264), (2304, 295560), (2463, 276480), (2560, 266004), (2592, 262720), (2880, 236448), (3072, 221670), (3240, 210176), (3284, 207360), (3456, 197040), (3840, 177336), (4105, 165888), (4320, 157632), (4608, 147780), (4926, 138240), (5120, 133002), (5184, 131360), (5760, 118224), (6144, 110835), (6480, 105088), (6568, 103680), (6912, 98520), (7389, 92160), (7680, 88668), (8210, 82944), (8640, 78816), (9216, 73890), (9852, 69120), (10240, 66501), (10368, 65680), (11520, 59112), (12315, 55296), (12960, 52544), (13136, 51840), (13824, 49260), (14778, 46080), (15360, 44334), (16420, 41472), (17280, 39408), (18432, 36945), (19704, 34560), (20736, 32840), (22167, 30720), (23040, 29556), (24630, 27648), (25920, 26272)]