81964080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 240

約数和(自身を含む): 306408960

約数和(自身を除く): 224444880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 79, 80, 88, 90, 99, 110, 120, 131, 132, 144, 158, 165, 176, 180, 198, 220, 237, 240, 262, 264, 316, 330, 360, 393, 395, 396, 440, 474, 495, 524, 528, 632, 655, 660, 711, 720, 786, 790, 792, 869, 880, 948, 990, 1048, 1179, 1185, 1264, 1310, 1320, 1422, 1441, 1572, 1580, 1584, 1738, 1896, 1965, 1980, 2096, 2358, 2370, 2607, 2620, 2640, 2844, 2882, 3144, 3160, 3476, 3555, 3792, 3930, 3960, 4323, 4345, 4716, 4740, 5214, 5240, 5688, 5764, 5895, 6288, 6320, 6952, 7110, 7205, 7821, 7860, 7920, 8646, 8690, 9432, 9480, 10349, 10428, 10480, 11376, 11528, 11790, 12969, 13035, 13904, 14220, 14410, 15642, 15720, 17292, 17380, 18864, 18960, 20698, 20856, 21615, 23056, 23580, 25938, 26070, 28440, 28820, 31047, 31284, 31440, 34584, 34760, 39105, 41396, 41712, 43230, 47160, 51745, 51876, 52140, 56880, 57640, 62094, 62568, 64845, 69168, 69520, 78210, 82792, 86460, 93141, 94320, 103490, 103752, 104280, 113839, 115280, 124188, 125136, 129690, 155235, 156420, 165584, 172920, 186282, 206980, 207504, 208560, 227678, 248376, 259380, 310470, 312840, 341517, 345840, 372564, 413960, 455356, 465705, 496752, 518760, 569195, 620940, 625680, 683034, 745128, 827920, 910712, 931410, 1024551, 1037520, 1138390, 1241880, 1366068, 1490256, 1707585, 1821424, 1862820, 2049102, 2276780, 2483760, 2732136, 3415170, 3725640, 4098204, 4553560, 5122755, 5464272, 6830340, 7451280, 8196408, 9107120, 10245510, 13660680, 16392816, 20491020, 27321360, 40982040, 81964080]

約数ペア:

[(1, 81964080), (2, 40982040), (3, 27321360), (4, 20491020), (5, 16392816), (6, 13660680), (8, 10245510), (9, 9107120), (10, 8196408), (11, 7451280), (12, 6830340), (15, 5464272), (16, 5122755), (18, 4553560), (20, 4098204), (22, 3725640), (24, 3415170), (30, 2732136), (33, 2483760), (36, 2276780), (40, 2049102), (44, 1862820), (45, 1821424), (48, 1707585), (55, 1490256), (60, 1366068), (66, 1241880), (72, 1138390), (79, 1037520), (80, 1024551), (88, 931410), (90, 910712), (99, 827920), (110, 745128), (120, 683034), (131, 625680), (132, 620940), (144, 569195), (158, 518760), (165, 496752), (176, 465705), (180, 455356), (198, 413960), (220, 372564), (237, 345840), (240, 341517), (262, 312840), (264, 310470), (316, 259380), (330, 248376), (360, 227678), (393, 208560), (395, 207504), (396, 206980), (440, 186282), (474, 172920), (495, 165584), (524, 156420), (528, 155235), (632, 129690), (655, 125136), (660, 124188), (711, 115280), (720, 113839), (786, 104280), (790, 103752), (792, 103490), (869, 94320), (880, 93141), (948, 86460), (990, 82792), (1048, 78210), (1179, 69520), (1185, 69168), (1264, 64845), (1310, 62568), (1320, 62094), (1422, 57640), (1441, 56880), (1572, 52140), (1580, 51876), (1584, 51745), (1738, 47160), (1896, 43230), (1965, 41712), (1980, 41396), (2096, 39105), (2358, 34760), (2370, 34584), (2607, 31440), (2620, 31284), (2640, 31047), (2844, 28820), (2882, 28440), (3144, 26070), (3160, 25938), (3476, 23580), (3555, 23056), (3792, 21615), (3930, 20856), (3960, 20698), (4323, 18960), (4345, 18864), (4716, 17380), (4740, 17292), (5214, 15720), (5240, 15642), (5688, 14410), (5764, 14220), (5895, 13904), (6288, 13035), (6320, 12969), (6952, 11790), (7110, 11528), (7205, 11376), (7821, 10480), (7860, 10428), (7920, 10349), (8646, 9480), (8690, 9432)]