80720748

素因数分解:

$2^2\times 3^2\times {\mathrm{1187}}^1\times {\mathrm{1889}}^1$

素因数の和:3086

約数の個数: 36

約数和(自身を含む): 204324120

約数和(自身を除く): 123603372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1187, 1889, 2374, 3561, 3778, 4748, 5667, 7122, 7556, 10683, 11334, 14244, 17001, 21366, 22668, 34002, 42732, 68004, 2242243, 4484486, 6726729, 8968972, 13453458, 20180187, 26906916, 40360374, 80720748]

約数ペア:

[(1, 80720748), (2, 40360374), (3, 26906916), (4, 20180187), (6, 13453458), (9, 8968972), (12, 6726729), (18, 4484486), (36, 2242243), (1187, 68004), (1889, 42732), (2374, 34002), (3561, 22668), (3778, 21366), (4748, 17001), (5667, 14244), (7122, 11334), (7556, 10683)]