80712720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 320

約数和(自身を含む): 314265600

約数和(自身を除く): 233552880

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, 43, 44, 45, 48, 54, 55, 60, 66, 72, 79, 80, 86, 88, 90, 99, 108, 110, 120, 129, 132, 135, 144, 158, 165, 172, 176, 180, 198, 215, 216, 220, 237, 240, 258, 264, 270, 297, 316, 330, 344, 360, 387, 395, 396, 430, 432, 440, 473, 474, 495, 516, 528, 540, 594, 632, 645, 660, 688, 711, 720, 774, 790, 792, 860, 869, 880, 946, 948, 990, 1032, 1080, 1161, 1185, 1188, 1264, 1290, 1320, 1419, 1422, 1485, 1548, 1580, 1584, 1720, 1738, 1892, 1896, 1935, 1980, 2064, 2133, 2160, 2322, 2365, 2370, 2376, 2580, 2607, 2640, 2838, 2844, 2970, 3096, 3160, 3397, 3440, 3476, 3555, 3784, 3792, 3870, 3960, 4257, 4266, 4345, 4644, 4730, 4740, 4752, 5160, 5214, 5676, 5688, 5805, 5940, 6192, 6320, 6794, 6952, 7095, 7110, 7568, 7740, 7821, 7920, 8514, 8532, 8690, 9288, 9460, 9480, 10191, 10320, 10428, 10665, 11352, 11376, 11610, 11880, 12771, 13035, 13588, 13904, 14190, 14220, 15480, 15642, 16985, 17028, 17064, 17380, 18576, 18920, 18960, 20382, 20856, 21285, 21330, 22704, 23220, 23463, 23760, 25542, 26070, 27176, 28380, 28440, 30573, 30960, 31284, 33970, 34056, 34128, 34760, 37367, 37840, 39105, 40764, 41712, 42570, 42660, 46440, 46926, 50955, 51084, 52140, 54352, 56760, 56880, 61146, 62568, 63855, 67940, 68112, 69520, 74734, 78210, 81528, 85140, 85320, 91719, 92880, 93852, 101910, 102168, 104280, 112101, 113520, 117315, 122292, 125136, 127710, 135880, 149468, 152865, 156420, 163056, 170280, 170640, 183438, 186835, 187704, 203820, 204336, 208560, 224202, 234630, 244584, 255420, 271760, 298936, 305730, 312840, 336303, 340560, 366876, 373670, 375408, 407640, 448404, 458595, 469260, 489168, 510840, 560505, 597872, 611460, 625680, 672606, 733752, 747340, 815280, 896808, 917190, 938520, 1008909, 1021680, 1121010, 1222920, 1345212, 1467504, 1494680, 1681515, 1793616, 1834380, 1877040, 2017818, 2242020, 2445840, 2690424, 2989360, 3363030, 3668760, 4035636, 4484040, 5044545, 5380848, 6726060, 7337520, 8071272, 8968080, 10089090, 13452120, 16142544, 20178180, 26904240, 40356360, 80712720]

約数ペア:

[(1, 80712720), (2, 40356360), (3, 26904240), (4, 20178180), (5, 16142544), (6, 13452120), (8, 10089090), (9, 8968080), (10, 8071272), (11, 7337520), (12, 6726060), (15, 5380848), (16, 5044545), (18, 4484040), (20, 4035636), (22, 3668760), (24, 3363030), (27, 2989360), (30, 2690424), (33, 2445840), (36, 2242020), (40, 2017818), (43, 1877040), (44, 1834380), (45, 1793616), (48, 1681515), (54, 1494680), (55, 1467504), (60, 1345212), (66, 1222920), (72, 1121010), (79, 1021680), (80, 1008909), (86, 938520), (88, 917190), (90, 896808), (99, 815280), (108, 747340), (110, 733752), (120, 672606), (129, 625680), (132, 611460), (135, 597872), (144, 560505), (158, 510840), (165, 489168), (172, 469260), (176, 458595), (180, 448404), (198, 407640), (215, 375408), (216, 373670), (220, 366876), (237, 340560), (240, 336303), (258, 312840), (264, 305730), (270, 298936), (297, 271760), (316, 255420), (330, 244584), (344, 234630), (360, 224202), (387, 208560), (395, 204336), (396, 203820), (430, 187704), (432, 186835), (440, 183438), (473, 170640), (474, 170280), (495, 163056), (516, 156420), (528, 152865), (540, 149468), (594, 135880), (632, 127710), (645, 125136), (660, 122292), (688, 117315), (711, 113520), (720, 112101), (774, 104280), (790, 102168), (792, 101910), (860, 93852), (869, 92880), (880, 91719), (946, 85320), (948, 85140), (990, 81528), (1032, 78210), (1080, 74734), (1161, 69520), (1185, 68112), (1188, 67940), (1264, 63855), (1290, 62568), (1320, 61146), (1419, 56880), (1422, 56760), (1485, 54352), (1548, 52140), (1580, 51084), (1584, 50955), (1720, 46926), (1738, 46440), (1892, 42660), (1896, 42570), (1935, 41712), (1980, 40764), (2064, 39105), (2133, 37840), (2160, 37367), (2322, 34760), (2365, 34128), (2370, 34056), (2376, 33970), (2580, 31284), (2607, 30960), (2640, 30573), (2838, 28440), (2844, 28380), (2970, 27176), (3096, 26070), (3160, 25542), (3397, 23760), (3440, 23463), (3476, 23220), (3555, 22704), (3784, 21330), (3792, 21285), (3870, 20856), (3960, 20382), (4257, 18960), (4266, 18920), (4345, 18576), (4644, 17380), (4730, 17064), (4740, 17028), (4752, 16985), (5160, 15642), (5214, 15480), (5676, 14220), (5688, 14190), (5805, 13904), (5940, 13588), (6192, 13035), (6320, 12771), (6794, 11880), (6952, 11610), (7095, 11376), (7110, 11352), (7568, 10665), (7740, 10428), (7821, 10320), (7920, 10191), (8514, 9480), (8532, 9460), (8690, 9288)]