81399456

素因数分解:

$2^5\times 3^2\times {\mathrm{109}}^1\times {\mathrm{2593}}^1$

素因数の和:2718

約数の個数: 72

約数和(自身を含む): 233693460

約数和(自身を除く): 152294004

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 109, 144, 218, 288, 327, 436, 654, 872, 981, 1308, 1744, 1962, 2593, 2616, 3488, 3924, 5186, 5232, 7779, 7848, 10372, 10464, 15558, 15696, 20744, 23337, 31116, 31392, 41488, 46674, 62232, 82976, 93348, 124464, 186696, 248928, 282637, 373392, 565274, 746784, 847911, 1130548, 1695822, 2261096, 2543733, 3391644, 4522192, 5087466, 6783288, 9044384, 10174932, 13566576, 20349864, 27133152, 40699728, 81399456]

約数ペア:

[(1, 81399456), (2, 40699728), (3, 27133152), (4, 20349864), (6, 13566576), (8, 10174932), (9, 9044384), (12, 6783288), (16, 5087466), (18, 4522192), (24, 3391644), (32, 2543733), (36, 2261096), (48, 1695822), (72, 1130548), (96, 847911), (109, 746784), (144, 565274), (218, 373392), (288, 282637), (327, 248928), (436, 186696), (654, 124464), (872, 93348), (981, 82976), (1308, 62232), (1744, 46674), (1962, 41488), (2593, 31392), (2616, 31116), (3488, 23337), (3924, 20744), (5186, 15696), (5232, 15558), (7779, 10464), (7848, 10372)]