65376540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1381}}^1$

素因数の和:1659

約数の個数: 72

約数和(自身を含む): 199207008

約数和(自身を除く): 133830468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 526, 789, 1052, 1315, 1381, 1578, 2367, 2630, 2762, 3156, 3945, 4143, 4734, 5260, 5524, 6905, 7890, 8286, 9468, 11835, 12429, 13810, 15780, 16572, 20715, 23670, 24858, 27620, 41430, 47340, 49716, 62145, 82860, 124290, 248580, 363203, 726406, 1089609, 1452812, 1816015, 2179218, 3268827, 3632030, 4358436, 5448045, 6537654, 7264060, 10896090, 13075308, 16344135, 21792180, 32688270, 65376540]

約数ペア:

[(1, 65376540), (2, 32688270), (3, 21792180), (4, 16344135), (5, 13075308), (6, 10896090), (9, 7264060), (10, 6537654), (12, 5448045), (15, 4358436), (18, 3632030), (20, 3268827), (30, 2179218), (36, 1816015), (45, 1452812), (60, 1089609), (90, 726406), (180, 363203), (263, 248580), (526, 124290), (789, 82860), (1052, 62145), (1315, 49716), (1381, 47340), (1578, 41430), (2367, 27620), (2630, 24858), (2762, 23670), (3156, 20715), (3945, 16572), (4143, 15780), (4734, 13810), (5260, 12429), (5524, 11835), (6905, 9468), (7890, 8286)]