67961920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:109

約数の個数: 168

約数和(自身を含む): 190679832

約数和(自身を除く): 122717912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 32, 34, 40, 52, 62, 64, 65, 68, 80, 85, 104, 124, 130, 136, 155, 160, 170, 208, 221, 248, 260, 272, 310, 320, 340, 403, 416, 442, 496, 520, 527, 544, 620, 680, 806, 832, 884, 961, 992, 1040, 1054, 1088, 1105, 1240, 1360, 1612, 1768, 1922, 1984, 2015, 2080, 2108, 2210, 2480, 2635, 2720, 3224, 3536, 3844, 4030, 4160, 4216, 4420, 4805, 4960, 5270, 5440, 6448, 6851, 7072, 7688, 8060, 8432, 8840, 9610, 9920, 10540, 12493, 12896, 13702, 14144, 15376, 16120, 16337, 16864, 17680, 19220, 21080, 24986, 25792, 27404, 30752, 32240, 32674, 33728, 34255, 35360, 38440, 42160, 49972, 54808, 61504, 62465, 64480, 65348, 68510, 70720, 76880, 81685, 84320, 99944, 109616, 124930, 128960, 130696, 137020, 153760, 163370, 168640, 199888, 212381, 219232, 249860, 261392, 274040, 307520, 326740, 399776, 424762, 438464, 499720, 522784, 548080, 653480, 799552, 849524, 999440, 1045568, 1061905, 1096160, 1306960, 1699048, 1998880, 2123810, 2192320, 2613920, 3398096, 3997760, 4247620, 5227840, 6796192, 8495240, 13592384, 16990480, 33980960, 67961920]

約数ペア:

[(1, 67961920), (2, 33980960), (4, 16990480), (5, 13592384), (8, 8495240), (10, 6796192), (13, 5227840), (16, 4247620), (17, 3997760), (20, 3398096), (26, 2613920), (31, 2192320), (32, 2123810), (34, 1998880), (40, 1699048), (52, 1306960), (62, 1096160), (64, 1061905), (65, 1045568), (68, 999440), (80, 849524), (85, 799552), (104, 653480), (124, 548080), (130, 522784), (136, 499720), (155, 438464), (160, 424762), (170, 399776), (208, 326740), (221, 307520), (248, 274040), (260, 261392), (272, 249860), (310, 219232), (320, 212381), (340, 199888), (403, 168640), (416, 163370), (442, 153760), (496, 137020), (520, 130696), (527, 128960), (544, 124930), (620, 109616), (680, 99944), (806, 84320), (832, 81685), (884, 76880), (961, 70720), (992, 68510), (1040, 65348), (1054, 64480), (1088, 62465), (1105, 61504), (1240, 54808), (1360, 49972), (1612, 42160), (1768, 38440), (1922, 35360), (1984, 34255), (2015, 33728), (2080, 32674), (2108, 32240), (2210, 30752), (2480, 27404), (2635, 25792), (2720, 24986), (3224, 21080), (3536, 19220), (3844, 17680), (4030, 16864), (4160, 16337), (4216, 16120), (4420, 15376), (4805, 14144), (4960, 13702), (5270, 12896), (5440, 12493), (6448, 10540), (6851, 9920), (7072, 9610), (7688, 8840), (8060, 8432)]