81200856

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 237219840

約数和(自身を除く): 156018984

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 23, 24, 33, 43, 44, 46, 66, 69, 86, 88, 92, 129, 132, 138, 172, 184, 253, 258, 264, 276, 311, 344, 473, 506, 516, 552, 622, 759, 933, 946, 989, 1012, 1032, 1244, 1419, 1518, 1866, 1892, 1978, 2024, 2488, 2838, 2967, 3036, 3421, 3732, 3784, 3956, 5676, 5934, 6072, 6842, 7153, 7464, 7912, 10263, 10879, 11352, 11868, 13373, 13684, 14306, 20526, 21459, 21758, 23736, 26746, 27368, 28612, 32637, 40119, 41052, 42918, 43516, 53492, 57224, 65274, 78683, 80238, 82104, 85836, 87032, 106984, 130548, 147103, 157366, 160476, 171672, 236049, 261096, 294206, 307579, 314732, 320952, 441309, 472098, 588412, 615158, 629464, 882618, 922737, 944196, 1176824, 1230316, 1765236, 1845474, 1888392, 2460632, 3383369, 3530472, 3690948, 6766738, 7381896, 10150107, 13533476, 20300214, 27066952, 40600428, 81200856]

約数ペア:

[(1, 81200856), (2, 40600428), (3, 27066952), (4, 20300214), (6, 13533476), (8, 10150107), (11, 7381896), (12, 6766738), (22, 3690948), (23, 3530472), (24, 3383369), (33, 2460632), (43, 1888392), (44, 1845474), (46, 1765236), (66, 1230316), (69, 1176824), (86, 944196), (88, 922737), (92, 882618), (129, 629464), (132, 615158), (138, 588412), (172, 472098), (184, 441309), (253, 320952), (258, 314732), (264, 307579), (276, 294206), (311, 261096), (344, 236049), (473, 171672), (506, 160476), (516, 157366), (552, 147103), (622, 130548), (759, 106984), (933, 87032), (946, 85836), (989, 82104), (1012, 80238), (1032, 78683), (1244, 65274), (1419, 57224), (1518, 53492), (1866, 43516), (1892, 42918), (1978, 41052), (2024, 40119), (2488, 32637), (2838, 28612), (2967, 27368), (3036, 26746), (3421, 23736), (3732, 21758), (3784, 21459), (3956, 20526), (5676, 14306), (5934, 13684), (6072, 13373), (6842, 11868), (7153, 11352), (7464, 10879), (7912, 10263)]