68685760

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 224

約数和(自身を含む): 204825600

約数和(自身を除く): 136139840

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 32, 38, 40, 44, 52, 55, 64, 65, 76, 79, 80, 88, 95, 104, 110, 130, 143, 152, 158, 160, 176, 190, 208, 209, 220, 247, 260, 286, 304, 316, 320, 352, 380, 395, 416, 418, 440, 494, 520, 572, 608, 632, 704, 715, 760, 790, 832, 836, 869, 880, 988, 1027, 1040, 1045, 1144, 1216, 1235, 1264, 1430, 1501, 1520, 1580, 1672, 1738, 1760, 1976, 2054, 2080, 2090, 2288, 2470, 2528, 2717, 2860, 3002, 3040, 3160, 3344, 3476, 3520, 3952, 4108, 4160, 4180, 4345, 4576, 4940, 5056, 5135, 5434, 5720, 6004, 6080, 6320, 6688, 6952, 7505, 7904, 8216, 8360, 8690, 9152, 9880, 10270, 10868, 11297, 11440, 12008, 12640, 13376, 13585, 13904, 15010, 15808, 16432, 16511, 16720, 17380, 19513, 19760, 20540, 21736, 22594, 22880, 24016, 25280, 27170, 27808, 30020, 32864, 33022, 33440, 34760, 39026, 39520, 41080, 43472, 45188, 45760, 48032, 54340, 55616, 56485, 60040, 65728, 66044, 66880, 69520, 78052, 79040, 82160, 82555, 86944, 90376, 96064, 97565, 108680, 112970, 120080, 132088, 139040, 156104, 164320, 165110, 173888, 180752, 195130, 214643, 217360, 225940, 240160, 264176, 278080, 312208, 328640, 330220, 361504, 390260, 429286, 434720, 451880, 480320, 528352, 624416, 660440, 723008, 780520, 858572, 869440, 903760, 1056704, 1073215, 1248832, 1320880, 1561040, 1717144, 1807520, 2146430, 2641760, 3122080, 3434288, 3615040, 4292860, 5283520, 6244160, 6868576, 8585720, 13737152, 17171440, 34342880, 68685760]

約数ペア:

[(1, 68685760), (2, 34342880), (4, 17171440), (5, 13737152), (8, 8585720), (10, 6868576), (11, 6244160), (13, 5283520), (16, 4292860), (19, 3615040), (20, 3434288), (22, 3122080), (26, 2641760), (32, 2146430), (38, 1807520), (40, 1717144), (44, 1561040), (52, 1320880), (55, 1248832), (64, 1073215), (65, 1056704), (76, 903760), (79, 869440), (80, 858572), (88, 780520), (95, 723008), (104, 660440), (110, 624416), (130, 528352), (143, 480320), (152, 451880), (158, 434720), (160, 429286), (176, 390260), (190, 361504), (208, 330220), (209, 328640), (220, 312208), (247, 278080), (260, 264176), (286, 240160), (304, 225940), (316, 217360), (320, 214643), (352, 195130), (380, 180752), (395, 173888), (416, 165110), (418, 164320), (440, 156104), (494, 139040), (520, 132088), (572, 120080), (608, 112970), (632, 108680), (704, 97565), (715, 96064), (760, 90376), (790, 86944), (832, 82555), (836, 82160), (869, 79040), (880, 78052), (988, 69520), (1027, 66880), (1040, 66044), (1045, 65728), (1144, 60040), (1216, 56485), (1235, 55616), (1264, 54340), (1430, 48032), (1501, 45760), (1520, 45188), (1580, 43472), (1672, 41080), (1738, 39520), (1760, 39026), (1976, 34760), (2054, 33440), (2080, 33022), (2090, 32864), (2288, 30020), (2470, 27808), (2528, 27170), (2717, 25280), (2860, 24016), (3002, 22880), (3040, 22594), (3160, 21736), (3344, 20540), (3476, 19760), (3520, 19513), (3952, 17380), (4108, 16720), (4160, 16511), (4180, 16432), (4345, 15808), (4576, 15010), (4940, 13904), (5056, 13585), (5135, 13376), (5434, 12640), (5720, 12008), (6004, 11440), (6080, 11297), (6320, 10868), (6688, 10270), (6952, 9880), (7505, 9152), (7904, 8690), (8216, 8360)]