201271770

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{977}}^1$

素因数の和:1109

約数の個数: 128

約数和(自身を含む): 619660800

約数和(自身を除く): 418389030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 109, 126, 135, 189, 210, 218, 270, 315, 327, 378, 545, 630, 654, 763, 945, 977, 981, 1090, 1526, 1635, 1890, 1954, 1962, 2289, 2931, 2943, 3270, 3815, 4578, 4885, 4905, 5862, 5886, 6839, 6867, 7630, 8793, 9770, 9810, 11445, 13678, 13734, 14655, 14715, 17586, 20517, 20601, 22890, 26379, 29310, 29430, 34195, 34335, 41034, 41202, 43965, 52758, 61551, 68390, 68670, 87930, 102585, 103005, 106493, 123102, 131895, 184653, 205170, 206010, 212986, 263790, 307755, 319479, 369306, 532465, 615510, 638958, 745451, 923265, 958437, 1064930, 1490902, 1597395, 1846530, 1916874, 2236353, 2875311, 3194790, 3727255, 4472706, 4792185, 5750622, 6709059, 7454510, 9584370, 11181765, 13418118, 14376555, 20127177, 22363530, 28753110, 33545295, 40254354, 67090590, 100635885, 201271770]

約数ペア:

[(1, 201271770), (2, 100635885), (3, 67090590), (5, 40254354), (6, 33545295), (7, 28753110), (9, 22363530), (10, 20127177), (14, 14376555), (15, 13418118), (18, 11181765), (21, 9584370), (27, 7454510), (30, 6709059), (35, 5750622), (42, 4792185), (45, 4472706), (54, 3727255), (63, 3194790), (70, 2875311), (90, 2236353), (105, 1916874), (109, 1846530), (126, 1597395), (135, 1490902), (189, 1064930), (210, 958437), (218, 923265), (270, 745451), (315, 638958), (327, 615510), (378, 532465), (545, 369306), (630, 319479), (654, 307755), (763, 263790), (945, 212986), (977, 206010), (981, 205170), (1090, 184653), (1526, 131895), (1635, 123102), (1890, 106493), (1954, 103005), (1962, 102585), (2289, 87930), (2931, 68670), (2943, 68390), (3270, 61551), (3815, 52758), (4578, 43965), (4885, 41202), (4905, 41034), (5862, 34335), (5886, 34195), (6839, 29430), (6867, 29310), (7630, 26379), (8793, 22890), (9770, 20601), (9810, 20517), (11445, 17586), (13678, 14715), (13734, 14655)]