81397470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:406

約数の個数: 128

約数和(自身を含む): 246177792

約数和(自身を除く): 164780322

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 167, 210, 211, 231, 330, 334, 385, 422, 462, 501, 633, 770, 835, 1002, 1055, 1155, 1169, 1266, 1477, 1670, 1837, 2110, 2310, 2321, 2338, 2505, 2954, 3165, 3507, 3674, 4431, 4642, 5010, 5511, 5845, 6330, 6963, 7014, 7385, 8862, 9185, 11022, 11605, 11690, 12859, 13926, 14770, 16247, 17535, 18370, 22155, 23210, 25718, 27555, 32494, 34815, 35070, 35237, 38577, 44310, 48741, 55110, 64295, 69630, 70474, 77154, 81235, 97482, 105711, 128590, 162470, 176185, 192885, 211422, 243705, 246659, 352370, 385770, 387607, 487410, 493318, 528555, 739977, 775214, 1057110, 1162821, 1233295, 1479954, 1938035, 2325642, 2466590, 2713249, 3699885, 3876070, 5426498, 5814105, 7399770, 8139747, 11628210, 13566245, 16279494, 27132490, 40698735, 81397470]

約数ペア:

[(1, 81397470), (2, 40698735), (3, 27132490), (5, 16279494), (6, 13566245), (7, 11628210), (10, 8139747), (11, 7399770), (14, 5814105), (15, 5426498), (21, 3876070), (22, 3699885), (30, 2713249), (33, 2466590), (35, 2325642), (42, 1938035), (55, 1479954), (66, 1233295), (70, 1162821), (77, 1057110), (105, 775214), (110, 739977), (154, 528555), (165, 493318), (167, 487410), (210, 387607), (211, 385770), (231, 352370), (330, 246659), (334, 243705), (385, 211422), (422, 192885), (462, 176185), (501, 162470), (633, 128590), (770, 105711), (835, 97482), (1002, 81235), (1055, 77154), (1155, 70474), (1169, 69630), (1266, 64295), (1477, 55110), (1670, 48741), (1837, 44310), (2110, 38577), (2310, 35237), (2321, 35070), (2338, 34815), (2505, 32494), (2954, 27555), (3165, 25718), (3507, 23210), (3674, 22155), (4431, 18370), (4642, 17535), (5010, 16247), (5511, 14770), (5845, 13926), (6330, 12859), (6963, 11690), (7014, 11605), (7385, 11022), (8862, 9185)]