121867240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 313528320

約数和(自身を除く): 191661080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 71, 83, 88, 94, 110, 142, 166, 188, 220, 235, 284, 332, 355, 376, 415, 440, 470, 517, 568, 664, 710, 781, 830, 913, 940, 1034, 1420, 1562, 1660, 1826, 1880, 2068, 2585, 2840, 3124, 3320, 3337, 3652, 3901, 3905, 4136, 4565, 5170, 5893, 6248, 6674, 7304, 7802, 7810, 9130, 10340, 11786, 13348, 15604, 15620, 16685, 18260, 19505, 20680, 23572, 26696, 29465, 31208, 31240, 33370, 36520, 36707, 39010, 42911, 47144, 58930, 64823, 66740, 73414, 78020, 85822, 117860, 129646, 133480, 146828, 156040, 171644, 183535, 214555, 235720, 259292, 276971, 293656, 324115, 343288, 367070, 429110, 518584, 553942, 648230, 734140, 858220, 1107884, 1296460, 1384855, 1468280, 1716440, 2215768, 2592920, 2769710, 3046681, 5539420, 6093362, 11078840, 12186724, 15233405, 24373448, 30466810, 60933620, 121867240]

約数ペア:

[(1, 121867240), (2, 60933620), (4, 30466810), (5, 24373448), (8, 15233405), (10, 12186724), (11, 11078840), (20, 6093362), (22, 5539420), (40, 3046681), (44, 2769710), (47, 2592920), (55, 2215768), (71, 1716440), (83, 1468280), (88, 1384855), (94, 1296460), (110, 1107884), (142, 858220), (166, 734140), (188, 648230), (220, 553942), (235, 518584), (284, 429110), (332, 367070), (355, 343288), (376, 324115), (415, 293656), (440, 276971), (470, 259292), (517, 235720), (568, 214555), (664, 183535), (710, 171644), (781, 156040), (830, 146828), (913, 133480), (940, 129646), (1034, 117860), (1420, 85822), (1562, 78020), (1660, 73414), (1826, 66740), (1880, 64823), (2068, 58930), (2585, 47144), (2840, 42911), (3124, 39010), (3320, 36707), (3337, 36520), (3652, 33370), (3901, 31240), (3905, 31208), (4136, 29465), (4565, 26696), (5170, 23572), (5893, 20680), (6248, 19505), (6674, 18260), (7304, 16685), (7802, 15620), (7810, 15604), (9130, 13348), (10340, 11786)]