280427840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:653

約数の個数: 224

約数和(自身を含む): 877824000

約数和(自身を除く): 597396160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 55, 56, 64, 70, 76, 77, 80, 88, 95, 110, 112, 133, 140, 152, 154, 160, 176, 190, 209, 220, 224, 266, 280, 304, 308, 320, 352, 380, 385, 418, 440, 448, 532, 560, 599, 608, 616, 665, 704, 760, 770, 836, 880, 1045, 1064, 1120, 1198, 1216, 1232, 1330, 1463, 1520, 1540, 1672, 1760, 2090, 2128, 2240, 2396, 2464, 2660, 2926, 2995, 3040, 3080, 3344, 3520, 4180, 4193, 4256, 4792, 4928, 5320, 5852, 5990, 6080, 6160, 6589, 6688, 7315, 8360, 8386, 8512, 9584, 10640, 11381, 11704, 11980, 12320, 13178, 13376, 14630, 16720, 16772, 19168, 20965, 21280, 22762, 23408, 23960, 24640, 26356, 29260, 32945, 33440, 33544, 38336, 41930, 42560, 45524, 46123, 46816, 47920, 52712, 56905, 58520, 65890, 66880, 67088, 79667, 83860, 91048, 92246, 93632, 95840, 105424, 113810, 117040, 125191, 131780, 134176, 159334, 167720, 182096, 184492, 191680, 210848, 227620, 230615, 234080, 250382, 263560, 268352, 318668, 335440, 364192, 368984, 398335, 421696, 455240, 461230, 468160, 500764, 527120, 625955, 637336, 670880, 728384, 737968, 796670, 876337, 910480, 922460, 1001528, 1054240, 1251910, 1274672, 1341760, 1475936, 1593340, 1752674, 1820960, 1844920, 2003056, 2108480, 2503820, 2549344, 2951872, 3186680, 3505348, 3641920, 3689840, 4006112, 4381685, 5007640, 5098688, 6373360, 7010696, 7379680, 8012224, 8763370, 10015280, 12746720, 14021392, 14759360, 17526740, 20030560, 25493440, 28042784, 35053480, 40061120, 56085568, 70106960, 140213920, 280427840]

約数ペア:

[(1, 280427840), (2, 140213920), (4, 70106960), (5, 56085568), (7, 40061120), (8, 35053480), (10, 28042784), (11, 25493440), (14, 20030560), (16, 17526740), (19, 14759360), (20, 14021392), (22, 12746720), (28, 10015280), (32, 8763370), (35, 8012224), (38, 7379680), (40, 7010696), (44, 6373360), (55, 5098688), (56, 5007640), (64, 4381685), (70, 4006112), (76, 3689840), (77, 3641920), (80, 3505348), (88, 3186680), (95, 2951872), (110, 2549344), (112, 2503820), (133, 2108480), (140, 2003056), (152, 1844920), (154, 1820960), (160, 1752674), (176, 1593340), (190, 1475936), (209, 1341760), (220, 1274672), (224, 1251910), (266, 1054240), (280, 1001528), (304, 922460), (308, 910480), (320, 876337), (352, 796670), (380, 737968), (385, 728384), (418, 670880), (440, 637336), (448, 625955), (532, 527120), (560, 500764), (599, 468160), (608, 461230), (616, 455240), (665, 421696), (704, 398335), (760, 368984), (770, 364192), (836, 335440), (880, 318668), (1045, 268352), (1064, 263560), (1120, 250382), (1198, 234080), (1216, 230615), (1232, 227620), (1330, 210848), (1463, 191680), (1520, 184492), (1540, 182096), (1672, 167720), (1760, 159334), (2090, 134176), (2128, 131780), (2240, 125191), (2396, 117040), (2464, 113810), (2660, 105424), (2926, 95840), (2995, 93632), (3040, 92246), (3080, 91048), (3344, 83860), (3520, 79667), (4180, 67088), (4193, 66880), (4256, 65890), (4792, 58520), (4928, 56905), (5320, 52712), (5852, 47920), (5990, 46816), (6080, 46123), (6160, 45524), (6589, 42560), (6688, 41930), (7315, 38336), (8360, 33544), (8386, 33440), (8512, 32945), (9584, 29260), (10640, 26356), (11381, 24640), (11704, 23960), (11980, 23408), (12320, 22762), (13178, 21280), (13376, 20965), (14630, 19168), (16720, 16772)]