81881030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2473}}^1$

素因数の和:2541

約数の個数: 64

約数和(自身を含む): 188103168

約数和(自身を除く): 106222138

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 43, 55, 70, 77, 86, 110, 154, 215, 301, 385, 430, 473, 602, 770, 946, 1505, 2365, 2473, 3010, 3311, 4730, 4946, 6622, 12365, 16555, 17311, 24730, 27203, 33110, 34622, 54406, 86555, 106339, 136015, 173110, 190421, 212678, 272030, 380842, 531695, 744373, 952105, 1063390, 1169729, 1488746, 1904210, 2339458, 3721865, 5848645, 7443730, 8188103, 11697290, 16376206, 40940515, 81881030]

約数ペア:

[(1, 81881030), (2, 40940515), (5, 16376206), (7, 11697290), (10, 8188103), (11, 7443730), (14, 5848645), (22, 3721865), (35, 2339458), (43, 1904210), (55, 1488746), (70, 1169729), (77, 1063390), (86, 952105), (110, 744373), (154, 531695), (215, 380842), (301, 272030), (385, 212678), (430, 190421), (473, 173110), (602, 136015), (770, 106339), (946, 86555), (1505, 54406), (2365, 34622), (2473, 33110), (3010, 27203), (3311, 24730), (4730, 17311), (4946, 16555), (6622, 12365)]