80205840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:103

約数の個数: 480

約数和(自身を含む): 341228160

約数和(自身を除く): 261022320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 19, 20, 22, 24, 26, 30, 33, 36, 38, 39, 40, 41, 44, 45, 48, 52, 55, 57, 60, 65, 66, 72, 76, 78, 80, 82, 88, 90, 95, 99, 104, 110, 114, 117, 120, 123, 130, 132, 143, 144, 152, 156, 164, 165, 171, 176, 180, 190, 195, 198, 205, 208, 209, 220, 228, 234, 240, 246, 247, 260, 264, 285, 286, 304, 312, 328, 330, 342, 360, 369, 380, 390, 396, 410, 418, 429, 440, 451, 456, 468, 492, 494, 495, 520, 528, 533, 570, 572, 585, 615, 624, 627, 656, 660, 684, 715, 720, 738, 741, 760, 779, 780, 792, 820, 836, 855, 858, 880, 902, 912, 936, 984, 988, 990, 1040, 1045, 1066, 1140, 1144, 1170, 1230, 1235, 1254, 1287, 1320, 1353, 1368, 1430, 1476, 1482, 1520, 1558, 1560, 1584, 1599, 1640, 1672, 1710, 1716, 1804, 1845, 1872, 1881, 1968, 1976, 1980, 2090, 2132, 2145, 2223, 2255, 2280, 2288, 2337, 2340, 2460, 2470, 2508, 2574, 2640, 2665, 2706, 2717, 2736, 2860, 2952, 2964, 3116, 3120, 3135, 3198, 3280, 3344, 3420, 3432, 3608, 3690, 3705, 3762, 3895, 3952, 3960, 4059, 4180, 4264, 4290, 4446, 4510, 4560, 4674, 4680, 4797, 4920, 4940, 5016, 5148, 5330, 5412, 5434, 5720, 5863, 5904, 5928, 6232, 6270, 6396, 6435, 6765, 6840, 6864, 7011, 7216, 7380, 7410, 7524, 7790, 7920, 7995, 8118, 8151, 8360, 8528, 8569, 8580, 8892, 9020, 9348, 9360, 9405, 9594, 9840, 9880, 10032, 10127, 10296, 10660, 10824, 10868, 11115, 11440, 11685, 11726, 11856, 12464, 12540, 12792, 12870, 13530, 13585, 13680, 14022, 14760, 14820, 15048, 15580, 15990, 16236, 16302, 16720, 17138, 17160, 17589, 17784, 18040, 18696, 18810, 19188, 19760, 20254, 20295, 20592, 21320, 21648, 21736, 22230, 23370, 23452, 23985, 24453, 25080, 25584, 25707, 25740, 27060, 27170, 28044, 29315, 29520, 29640, 30096, 30381, 31160, 31980, 32472, 32604, 34276, 34320, 35055, 35178, 35568, 36080, 37392, 37620, 38376, 40508, 40590, 40755, 42640, 42845, 43472, 44460, 46740, 46904, 47970, 48906, 50160, 50635, 51414, 51480, 52767, 54120, 54340, 56088, 58630, 59280, 60762, 62320, 63960, 64944, 65208, 68552, 70110, 70356, 75240, 76752, 77121, 81016, 81180, 81510, 85690, 87945, 88920, 91143, 93480, 93808, 95940, 97812, 101270, 102828, 102960, 105534, 108240, 108680, 111397, 112176, 117260, 121524, 122265, 127920, 128535, 130416, 137104, 140220, 140712, 150480, 151905, 154242, 162032, 162360, 163020, 171380, 175890, 177840, 182286, 186960, 191880, 195624, 202540, 205656, 211068, 217360, 222794, 234520, 243048, 244530, 257070, 263835, 280440, 281424, 303810, 308484, 324720, 326040, 334191, 342760, 351780, 364572, 383760, 385605, 391248, 405080, 411312, 422136, 445588, 455715, 469040, 486096, 489060, 514140, 527670, 556985, 560880, 607620, 616968, 652080, 668382, 685520, 703560, 729144, 771210, 810160, 844272, 891176, 911430, 978120, 1002573, 1028280, 1055340, 1113970, 1215240, 1233936, 1336764, 1407120, 1458288, 1542420, 1670955, 1782352, 1822860, 1956240, 2005146, 2056560, 2110680, 2227940, 2430480, 2673528, 3084840, 3341910, 3645720, 4010292, 4221360, 4455880, 5012865, 5347056, 6169680, 6683820, 7291440, 8020584, 8911760, 10025730, 13367640, 16041168, 20051460, 26735280, 40102920, 80205840]

約数ペア:

[(1, 80205840), (2, 40102920), (3, 26735280), (4, 20051460), (5, 16041168), (6, 13367640), (8, 10025730), (9, 8911760), (10, 8020584), (11, 7291440), (12, 6683820), (13, 6169680), (15, 5347056), (16, 5012865), (18, 4455880), (19, 4221360), (20, 4010292), (22, 3645720), (24, 3341910), (26, 3084840), (30, 2673528), (33, 2430480), (36, 2227940), (38, 2110680), (39, 2056560), (40, 2005146), (41, 1956240), (44, 1822860), (45, 1782352), (48, 1670955), (52, 1542420), (55, 1458288), (57, 1407120), (60, 1336764), (65, 1233936), (66, 1215240), (72, 1113970), (76, 1055340), (78, 1028280), (80, 1002573), (82, 978120), (88, 911430), (90, 891176), (95, 844272), (99, 810160), (104, 771210), (110, 729144), (114, 703560), (117, 685520), (120, 668382), (123, 652080), (130, 616968), (132, 607620), (143, 560880), (144, 556985), (152, 527670), (156, 514140), (164, 489060), (165, 486096), (171, 469040), (176, 455715), (180, 445588), (190, 422136), (195, 411312), (198, 405080), (205, 391248), (208, 385605), (209, 383760), (220, 364572), (228, 351780), (234, 342760), (240, 334191), (246, 326040), (247, 324720), (260, 308484), (264, 303810), (285, 281424), (286, 280440), (304, 263835), (312, 257070), (328, 244530), (330, 243048), (342, 234520), (360, 222794), (369, 217360), (380, 211068), (390, 205656), (396, 202540), (410, 195624), (418, 191880), (429, 186960), (440, 182286), (451, 177840), (456, 175890), (468, 171380), (492, 163020), (494, 162360), (495, 162032), (520, 154242), (528, 151905), (533, 150480), (570, 140712), (572, 140220), (585, 137104), (615, 130416), (624, 128535), (627, 127920), (656, 122265), (660, 121524), (684, 117260), (715, 112176), (720, 111397), (738, 108680), (741, 108240), (760, 105534), (779, 102960), (780, 102828), (792, 101270), (820, 97812), (836, 95940), (855, 93808), (858, 93480), (880, 91143), (902, 88920), (912, 87945), (936, 85690), (984, 81510), (988, 81180), (990, 81016), (1040, 77121), (1045, 76752), (1066, 75240), (1140, 70356), (1144, 70110), (1170, 68552), (1230, 65208), (1235, 64944), (1254, 63960), (1287, 62320), (1320, 60762), (1353, 59280), (1368, 58630), (1430, 56088), (1476, 54340), (1482, 54120), (1520, 52767), (1558, 51480), (1560, 51414), (1584, 50635), (1599, 50160), (1640, 48906), (1672, 47970), (1710, 46904), (1716, 46740), (1804, 44460), (1845, 43472), (1872, 42845), (1881, 42640), (1968, 40755), (1976, 40590), (1980, 40508), (2090, 38376), (2132, 37620), (2145, 37392), (2223, 36080), (2255, 35568), (2280, 35178), (2288, 35055), (2337, 34320), (2340, 34276), (2460, 32604), (2470, 32472), (2508, 31980), (2574, 31160), (2640, 30381), (2665, 30096), (2706, 29640), (2717, 29520), (2736, 29315), (2860, 28044), (2952, 27170), (2964, 27060), (3116, 25740), (3120, 25707), (3135, 25584), (3198, 25080), (3280, 24453), (3344, 23985), (3420, 23452), (3432, 23370), (3608, 22230), (3690, 21736), (3705, 21648), (3762, 21320), (3895, 20592), (3952, 20295), (3960, 20254), (4059, 19760), (4180, 19188), (4264, 18810), (4290, 18696), (4446, 18040), (4510, 17784), (4560, 17589), (4674, 17160), (4680, 17138), (4797, 16720), (4920, 16302), (4940, 16236), (5016, 15990), (5148, 15580), (5330, 15048), (5412, 14820), (5434, 14760), (5720, 14022), (5863, 13680), (5904, 13585), (5928, 13530), (6232, 12870), (6270, 12792), (6396, 12540), (6435, 12464), (6765, 11856), (6840, 11726), (6864, 11685), (7011, 11440), (7216, 11115), (7380, 10868), (7410, 10824), (7524, 10660), (7790, 10296), (7920, 10127), (7995, 10032), (8118, 9880), (8151, 9840), (8360, 9594), (8528, 9405), (8569, 9360), (8580, 9348), (8892, 9020)]