820504080

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1279}}^1$

素因数の和:1321

約数の個数: 280

約数和(自身を含む): 3122657280

約数和(自身を除く): 2302153200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 99, 108, 110, 120, 132, 135, 144, 162, 165, 176, 180, 198, 216, 220, 240, 243, 264, 270, 297, 324, 330, 360, 396, 405, 432, 440, 486, 495, 528, 540, 594, 648, 660, 720, 729, 792, 810, 880, 891, 972, 990, 1080, 1188, 1215, 1279, 1296, 1320, 1458, 1485, 1584, 1620, 1782, 1944, 1980, 2160, 2376, 2430, 2558, 2640, 2673, 2916, 2970, 3240, 3564, 3645, 3837, 3888, 3960, 4455, 4752, 4860, 5116, 5346, 5832, 5940, 6395, 6480, 7128, 7290, 7674, 7920, 8019, 8910, 9720, 10232, 10692, 11511, 11664, 11880, 12790, 13365, 14069, 14256, 14580, 15348, 16038, 17820, 19185, 19440, 20464, 21384, 23022, 23760, 25580, 26730, 28138, 29160, 30696, 32076, 34533, 35640, 38370, 40095, 42207, 42768, 46044, 51160, 53460, 56276, 57555, 58320, 61392, 64152, 69066, 70345, 71280, 76740, 80190, 84414, 92088, 102320, 103599, 106920, 112552, 115110, 126621, 128304, 138132, 140690, 153480, 160380, 168828, 172665, 184176, 207198, 211035, 213840, 225104, 230220, 253242, 276264, 281380, 306960, 310797, 320760, 337656, 345330, 379863, 414396, 422070, 460440, 506484, 517995, 552528, 562760, 621594, 633105, 641520, 675312, 690660, 759726, 828792, 844140, 920880, 932391, 1012968, 1035990, 1125520, 1139589, 1243188, 1266210, 1381320, 1519452, 1553985, 1657584, 1688280, 1864782, 1899315, 2025936, 2071980, 2279178, 2486376, 2532420, 2762640, 3038904, 3107970, 3376560, 3418767, 3729564, 3798630, 4143960, 4558356, 4661955, 4972752, 5064840, 5697945, 6077808, 6215940, 6837534, 7459128, 7597260, 8287920, 9116712, 9323910, 10129680, 10256301, 11395890, 12431880, 13675068, 14918256, 15194520, 17093835, 18233424, 18647820, 20512602, 22791780, 24863760, 27350136, 30389040, 34187670, 37295640, 41025204, 45583560, 51281505, 54700272, 68375340, 74591280, 82050408, 91167120, 102563010, 136750680, 164100816, 205126020, 273501360, 410252040, 820504080]

約数ペア:

[(1, 820504080), (2, 410252040), (3, 273501360), (4, 205126020), (5, 164100816), (6, 136750680), (8, 102563010), (9, 91167120), (10, 82050408), (11, 74591280), (12, 68375340), (15, 54700272), (16, 51281505), (18, 45583560), (20, 41025204), (22, 37295640), (24, 34187670), (27, 30389040), (30, 27350136), (33, 24863760), (36, 22791780), (40, 20512602), (44, 18647820), (45, 18233424), (48, 17093835), (54, 15194520), (55, 14918256), (60, 13675068), (66, 12431880), (72, 11395890), (80, 10256301), (81, 10129680), (88, 9323910), (90, 9116712), (99, 8287920), (108, 7597260), (110, 7459128), (120, 6837534), (132, 6215940), (135, 6077808), (144, 5697945), (162, 5064840), (165, 4972752), (176, 4661955), (180, 4558356), (198, 4143960), (216, 3798630), (220, 3729564), (240, 3418767), (243, 3376560), (264, 3107970), (270, 3038904), (297, 2762640), (324, 2532420), (330, 2486376), (360, 2279178), (396, 2071980), (405, 2025936), (432, 1899315), (440, 1864782), (486, 1688280), (495, 1657584), (528, 1553985), (540, 1519452), (594, 1381320), (648, 1266210), (660, 1243188), (720, 1139589), (729, 1125520), (792, 1035990), (810, 1012968), (880, 932391), (891, 920880), (972, 844140), (990, 828792), (1080, 759726), (1188, 690660), (1215, 675312), (1279, 641520), (1296, 633105), (1320, 621594), (1458, 562760), (1485, 552528), (1584, 517995), (1620, 506484), (1782, 460440), (1944, 422070), (1980, 414396), (2160, 379863), (2376, 345330), (2430, 337656), (2558, 320760), (2640, 310797), (2673, 306960), (2916, 281380), (2970, 276264), (3240, 253242), (3564, 230220), (3645, 225104), (3837, 213840), (3888, 211035), (3960, 207198), (4455, 184176), (4752, 172665), (4860, 168828), (5116, 160380), (5346, 153480), (5832, 140690), (5940, 138132), (6395, 128304), (6480, 126621), (7128, 115110), (7290, 112552), (7674, 106920), (7920, 103599), (8019, 102320), (8910, 92088), (9720, 84414), (10232, 80190), (10692, 76740), (11511, 71280), (11664, 70345), (11880, 69066), (12790, 64152), (13365, 61392), (14069, 58320), (14256, 57555), (14580, 56276), (15348, 53460), (16038, 51160), (17820, 46044), (19185, 42768), (19440, 42207), (20464, 40095), (21384, 38370), (23022, 35640), (23760, 34533), (25580, 32076), (26730, 30696), (28138, 29160)]