78530508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1109}}^1$

素因数の和:1407

約数の個数: 72

約数和(自身を含む): 227878560

約数和(自身を除く): 149348052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 281, 562, 843, 1109, 1124, 1686, 1967, 2218, 2529, 3327, 3372, 3934, 4436, 5058, 5901, 6654, 7763, 7868, 9981, 10116, 11802, 13308, 15526, 17703, 19962, 23289, 23604, 31052, 35406, 39924, 46578, 69867, 70812, 93156, 139734, 279468, 311629, 623258, 934887, 1246516, 1869774, 2181403, 2804661, 3739548, 4362806, 5609322, 6544209, 8725612, 11218644, 13088418, 19632627, 26176836, 39265254, 78530508]

約数ペア:

[(1, 78530508), (2, 39265254), (3, 26176836), (4, 19632627), (6, 13088418), (7, 11218644), (9, 8725612), (12, 6544209), (14, 5609322), (18, 4362806), (21, 3739548), (28, 2804661), (36, 2181403), (42, 1869774), (63, 1246516), (84, 934887), (126, 623258), (252, 311629), (281, 279468), (562, 139734), (843, 93156), (1109, 70812), (1124, 69867), (1686, 46578), (1967, 39924), (2218, 35406), (2529, 31052), (3327, 23604), (3372, 23289), (3934, 19962), (4436, 17703), (5058, 15526), (5901, 13308), (6654, 11802), (7763, 10116), (7868, 9981)]