81220824

素因数分解:

$2^3\times 3^2\times {\mathrm{461}}^1\times {\mathrm{2447}}^1$

素因数の和:2920

約数の個数: 48

約数和(自身を含む): 220540320

約数和(自身を除く): 139319496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 461, 922, 1383, 1844, 2447, 2766, 3688, 4149, 4894, 5532, 7341, 8298, 9788, 11064, 14682, 16596, 19576, 22023, 29364, 33192, 44046, 58728, 88092, 176184, 1128067, 2256134, 3384201, 4512268, 6768402, 9024536, 10152603, 13536804, 20305206, 27073608, 40610412, 81220824]

約数ペア:

[(1, 81220824), (2, 40610412), (3, 27073608), (4, 20305206), (6, 13536804), (8, 10152603), (9, 9024536), (12, 6768402), (18, 4512268), (24, 3384201), (36, 2256134), (72, 1128067), (461, 176184), (922, 88092), (1383, 58728), (1844, 44046), (2447, 33192), (2766, 29364), (3688, 22023), (4149, 19576), (4894, 16596), (5532, 14682), (7341, 11064), (8298, 9788)]