81727360

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 256

約数和(自身を含む): 246758400

約数和(自身を除く): 165031040

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 32, 38, 40, 44, 47, 52, 55, 64, 65, 76, 80, 88, 94, 95, 104, 110, 128, 130, 143, 152, 160, 176, 188, 190, 208, 209, 220, 235, 247, 260, 286, 304, 320, 352, 376, 380, 416, 418, 440, 470, 494, 517, 520, 572, 608, 611, 640, 704, 715, 752, 760, 832, 836, 880, 893, 940, 988, 1034, 1040, 1045, 1144, 1216, 1222, 1235, 1408, 1430, 1504, 1520, 1664, 1672, 1760, 1786, 1880, 1976, 2068, 2080, 2090, 2288, 2432, 2444, 2470, 2585, 2717, 2860, 3008, 3040, 3055, 3344, 3520, 3572, 3760, 3952, 4136, 4160, 4180, 4465, 4576, 4888, 4940, 5170, 5434, 5720, 6016, 6080, 6110, 6688, 6721, 7040, 7144, 7520, 7904, 8272, 8320, 8360, 8930, 9152, 9776, 9823, 9880, 10340, 10868, 11440, 11609, 12160, 12220, 13376, 13442, 13585, 14288, 15040, 15808, 16544, 16720, 17860, 18304, 19552, 19646, 19760, 20680, 21736, 22880, 23218, 24440, 26752, 26884, 27170, 28576, 30080, 31616, 33088, 33440, 33605, 35720, 39104, 39292, 39520, 41360, 43472, 45760, 46436, 48880, 49115, 53768, 54340, 57152, 58045, 66176, 66880, 67210, 71440, 78208, 78584, 79040, 82720, 86944, 91520, 92872, 97760, 98230, 107536, 108680, 114304, 116090, 127699, 133760, 134420, 142880, 157168, 158080, 165440, 173888, 185744, 195520, 196460, 215072, 217360, 232180, 255398, 268840, 285760, 314336, 330880, 347776, 371488, 391040, 392920, 430144, 434720, 464360, 510796, 537680, 571520, 628672, 638495, 742976, 785840, 860288, 869440, 928720, 1021592, 1075360, 1257344, 1276990, 1485952, 1571680, 1738880, 1857440, 2043184, 2150720, 2553980, 3143360, 3714880, 4086368, 4301440, 5107960, 6286720, 7429760, 8172736, 10215920, 16345472, 20431840, 40863680, 81727360]

約数ペア:

[(1, 81727360), (2, 40863680), (4, 20431840), (5, 16345472), (8, 10215920), (10, 8172736), (11, 7429760), (13, 6286720), (16, 5107960), (19, 4301440), (20, 4086368), (22, 3714880), (26, 3143360), (32, 2553980), (38, 2150720), (40, 2043184), (44, 1857440), (47, 1738880), (52, 1571680), (55, 1485952), (64, 1276990), (65, 1257344), (76, 1075360), (80, 1021592), (88, 928720), (94, 869440), (95, 860288), (104, 785840), (110, 742976), (128, 638495), (130, 628672), (143, 571520), (152, 537680), (160, 510796), (176, 464360), (188, 434720), (190, 430144), (208, 392920), (209, 391040), (220, 371488), (235, 347776), (247, 330880), (260, 314336), (286, 285760), (304, 268840), (320, 255398), (352, 232180), (376, 217360), (380, 215072), (416, 196460), (418, 195520), (440, 185744), (470, 173888), (494, 165440), (517, 158080), (520, 157168), (572, 142880), (608, 134420), (611, 133760), (640, 127699), (704, 116090), (715, 114304), (752, 108680), (760, 107536), (832, 98230), (836, 97760), (880, 92872), (893, 91520), (940, 86944), (988, 82720), (1034, 79040), (1040, 78584), (1045, 78208), (1144, 71440), (1216, 67210), (1222, 66880), (1235, 66176), (1408, 58045), (1430, 57152), (1504, 54340), (1520, 53768), (1664, 49115), (1672, 48880), (1760, 46436), (1786, 45760), (1880, 43472), (1976, 41360), (2068, 39520), (2080, 39292), (2090, 39104), (2288, 35720), (2432, 33605), (2444, 33440), (2470, 33088), (2585, 31616), (2717, 30080), (2860, 28576), (3008, 27170), (3040, 26884), (3055, 26752), (3344, 24440), (3520, 23218), (3572, 22880), (3760, 21736), (3952, 20680), (4136, 19760), (4160, 19646), (4180, 19552), (4465, 18304), (4576, 17860), (4888, 16720), (4940, 16544), (5170, 15808), (5434, 15040), (5720, 14288), (6016, 13585), (6080, 13442), (6110, 13376), (6688, 12220), (6721, 12160), (7040, 11609), (7144, 11440), (7520, 10868), (7904, 10340), (8272, 9880), (8320, 9823), (8360, 9776), (8930, 9152)]