80819784

素因数分解:

$2^3\times 3^2\times {\mathrm{317}}^1\times {\mathrm{3541}}^1$

素因数の和:3870

約数の個数: 48

約数和(自身を含む): 219639420

約数和(自身を除く): 138819636

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 317, 634, 951, 1268, 1902, 2536, 2853, 3541, 3804, 5706, 7082, 7608, 10623, 11412, 14164, 21246, 22824, 28328, 31869, 42492, 63738, 84984, 127476, 254952, 1122497, 2244994, 3367491, 4489988, 6734982, 8979976, 10102473, 13469964, 20204946, 26939928, 40409892, 80819784]

約数ペア:

[(1, 80819784), (2, 40409892), (3, 26939928), (4, 20204946), (6, 13469964), (8, 10102473), (9, 8979976), (12, 6734982), (18, 4489988), (24, 3367491), (36, 2244994), (72, 1122497), (317, 254952), (634, 127476), (951, 84984), (1268, 63738), (1902, 42492), (2536, 31869), (2853, 28328), (3541, 22824), (3804, 21246), (5706, 14164), (7082, 11412), (7608, 10623)]