81561480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:149

約数の個数: 384

約数和(自身を含む): 337841280

約数和(自身を除く): 256279800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 49, 52, 55, 56, 60, 65, 66, 70, 77, 78, 84, 88, 91, 97, 98, 104, 105, 110, 120, 130, 132, 140, 143, 147, 154, 156, 165, 168, 182, 194, 195, 196, 210, 220, 231, 245, 260, 264, 273, 280, 286, 291, 294, 308, 312, 330, 364, 385, 388, 390, 392, 420, 429, 440, 455, 462, 485, 490, 520, 539, 546, 572, 582, 588, 616, 637, 660, 679, 715, 728, 735, 770, 776, 780, 840, 858, 910, 924, 970, 980, 1001, 1067, 1078, 1092, 1144, 1155, 1164, 1176, 1261, 1274, 1320, 1358, 1365, 1430, 1455, 1470, 1540, 1560, 1617, 1716, 1820, 1848, 1911, 1940, 1960, 2002, 2037, 2134, 2145, 2156, 2184, 2310, 2328, 2522, 2548, 2695, 2716, 2730, 2860, 2910, 2940, 3003, 3080, 3185, 3201, 3234, 3395, 3432, 3640, 3783, 3822, 3880, 4004, 4074, 4268, 4290, 4312, 4620, 4753, 5005, 5044, 5096, 5335, 5390, 5432, 5460, 5720, 5820, 5880, 6006, 6305, 6370, 6402, 6468, 6790, 7007, 7469, 7566, 7644, 8008, 8085, 8148, 8536, 8580, 8827, 9240, 9506, 9555, 10010, 10088, 10185, 10670, 10780, 10920, 11640, 12012, 12610, 12740, 12804, 12936, 13580, 13871, 14014, 14259, 14938, 15015, 15132, 15288, 16005, 16170, 16296, 17160, 17654, 18915, 19012, 19110, 20020, 20370, 21021, 21340, 21560, 22407, 23765, 24024, 25220, 25480, 25608, 26481, 27160, 27742, 28028, 28518, 29876, 30030, 30264, 32010, 32340, 35035, 35308, 37345, 37830, 38024, 38220, 40040, 40740, 41613, 42042, 42680, 44135, 44814, 47530, 50440, 52283, 52962, 55484, 56056, 57036, 59752, 60060, 61789, 64020, 64680, 69355, 70070, 70616, 71295, 74690, 75660, 76440, 81480, 83226, 84084, 88270, 89628, 95060, 97097, 104566, 105105, 105924, 110968, 112035, 114072, 120120, 123578, 128040, 132405, 138710, 140140, 142590, 149380, 151320, 156849, 166452, 168168, 176540, 179256, 185367, 190120, 194194, 208065, 209132, 210210, 211848, 224070, 247156, 261415, 264810, 277420, 280280, 285180, 291291, 298760, 308945, 313698, 332904, 353080, 370734, 388388, 416130, 418264, 420420, 448140, 485485, 494312, 522830, 529620, 554840, 570360, 582582, 617890, 627396, 679679, 741468, 776776, 784245, 832260, 840840, 896280, 926835, 970970, 1045660, 1059240, 1165164, 1235780, 1254792, 1359358, 1456455, 1482936, 1568490, 1664520, 1853670, 1941940, 2039037, 2091320, 2330328, 2471560, 2718716, 2912910, 3136980, 3398395, 3707340, 3883880, 4078074, 5437432, 5825820, 6273960, 6796790, 7414680, 8156148, 10195185, 11651640, 13593580, 16312296, 20390370, 27187160, 40780740, 81561480]

約数ペア:

[(1, 81561480), (2, 40780740), (3, 27187160), (4, 20390370), (5, 16312296), (6, 13593580), (7, 11651640), (8, 10195185), (10, 8156148), (11, 7414680), (12, 6796790), (13, 6273960), (14, 5825820), (15, 5437432), (20, 4078074), (21, 3883880), (22, 3707340), (24, 3398395), (26, 3136980), (28, 2912910), (30, 2718716), (33, 2471560), (35, 2330328), (39, 2091320), (40, 2039037), (42, 1941940), (44, 1853670), (49, 1664520), (52, 1568490), (55, 1482936), (56, 1456455), (60, 1359358), (65, 1254792), (66, 1235780), (70, 1165164), (77, 1059240), (78, 1045660), (84, 970970), (88, 926835), (91, 896280), (97, 840840), (98, 832260), (104, 784245), (105, 776776), (110, 741468), (120, 679679), (130, 627396), (132, 617890), (140, 582582), (143, 570360), (147, 554840), (154, 529620), (156, 522830), (165, 494312), (168, 485485), (182, 448140), (194, 420420), (195, 418264), (196, 416130), (210, 388388), (220, 370734), (231, 353080), (245, 332904), (260, 313698), (264, 308945), (273, 298760), (280, 291291), (286, 285180), (291, 280280), (294, 277420), (308, 264810), (312, 261415), (330, 247156), (364, 224070), (385, 211848), (388, 210210), (390, 209132), (392, 208065), (420, 194194), (429, 190120), (440, 185367), (455, 179256), (462, 176540), (485, 168168), (490, 166452), (520, 156849), (539, 151320), (546, 149380), (572, 142590), (582, 140140), (588, 138710), (616, 132405), (637, 128040), (660, 123578), (679, 120120), (715, 114072), (728, 112035), (735, 110968), (770, 105924), (776, 105105), (780, 104566), (840, 97097), (858, 95060), (910, 89628), (924, 88270), (970, 84084), (980, 83226), (1001, 81480), (1067, 76440), (1078, 75660), (1092, 74690), (1144, 71295), (1155, 70616), (1164, 70070), (1176, 69355), (1261, 64680), (1274, 64020), (1320, 61789), (1358, 60060), (1365, 59752), (1430, 57036), (1455, 56056), (1470, 55484), (1540, 52962), (1560, 52283), (1617, 50440), (1716, 47530), (1820, 44814), (1848, 44135), (1911, 42680), (1940, 42042), (1960, 41613), (2002, 40740), (2037, 40040), (2134, 38220), (2145, 38024), (2156, 37830), (2184, 37345), (2310, 35308), (2328, 35035), (2522, 32340), (2548, 32010), (2695, 30264), (2716, 30030), (2730, 29876), (2860, 28518), (2910, 28028), (2940, 27742), (3003, 27160), (3080, 26481), (3185, 25608), (3201, 25480), (3234, 25220), (3395, 24024), (3432, 23765), (3640, 22407), (3783, 21560), (3822, 21340), (3880, 21021), (4004, 20370), (4074, 20020), (4268, 19110), (4290, 19012), (4312, 18915), (4620, 17654), (4753, 17160), (5005, 16296), (5044, 16170), (5096, 16005), (5335, 15288), (5390, 15132), (5432, 15015), (5460, 14938), (5720, 14259), (5820, 14014), (5880, 13871), (6006, 13580), (6305, 12936), (6370, 12804), (6402, 12740), (6468, 12610), (6790, 12012), (7007, 11640), (7469, 10920), (7566, 10780), (7644, 10670), (8008, 10185), (8085, 10088), (8148, 10010), (8536, 9555), (8580, 9506), (8827, 9240)]