131132540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7741}}^1$

素因数の和:7779

約数の個数: 72

約数和(自身を含む): 345974496

約数和(自身を除く): 214841956

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 7741, 8470, 15482, 16940, 30964, 38705, 54187, 77410, 85151, 108374, 154820, 170302, 216748, 270935, 340604, 425755, 541870, 596057, 851510, 936661, 1083740, 1192114, 1703020, 1873322, 2384228, 2980285, 3746644, 4683305, 5960570, 6556627, 9366610, 11921140, 13113254, 18733220, 26226508, 32783135, 65566270, 131132540]

約数ペア:

[(1, 131132540), (2, 65566270), (4, 32783135), (5, 26226508), (7, 18733220), (10, 13113254), (11, 11921140), (14, 9366610), (20, 6556627), (22, 5960570), (28, 4683305), (35, 3746644), (44, 2980285), (55, 2384228), (70, 1873322), (77, 1703020), (110, 1192114), (121, 1083740), (140, 936661), (154, 851510), (220, 596057), (242, 541870), (308, 425755), (385, 340604), (484, 270935), (605, 216748), (770, 170302), (847, 154820), (1210, 108374), (1540, 85151), (1694, 77410), (2420, 54187), (3388, 38705), (4235, 30964), (7741, 16940), (8470, 15482)]