81984210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{35491}}^1$

素因数の和:35519

約数の個数: 64

約数和(自身を含む): 245320704

約数和(自身を除く): 163336494

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, 210, 231, 330, 385, 462, 770, 1155, 2310, 35491, 70982, 106473, 177455, 212946, 248437, 354910, 390401, 496874, 532365, 745311, 780802, 1064730, 1171203, 1242185, 1490622, 1952005, 2342406, 2484370, 2732807, 3726555, 3904010, 5465614, 5856015, 7453110, 8198421, 11712030, 13664035, 16396842, 27328070, 40992105, 81984210]

約数ペア:

[(1, 81984210), (2, 40992105), (3, 27328070), (5, 16396842), (6, 13664035), (7, 11712030), (10, 8198421), (11, 7453110), (14, 5856015), (15, 5465614), (21, 3904010), (22, 3726555), (30, 2732807), (33, 2484370), (35, 2342406), (42, 1952005), (55, 1490622), (66, 1242185), (70, 1171203), (77, 1064730), (105, 780802), (110, 745311), (154, 532365), (165, 496874), (210, 390401), (231, 354910), (330, 248437), (385, 212946), (462, 177455), (770, 106473), (1155, 70982), (2310, 35491)]