720481856

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{2699}}^1$

素因数の和:2851

約数の個数: 56

約数和(自身を含む): 1478584800

約数和(自身を除く): 758102944

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 97, 172, 194, 344, 388, 688, 776, 1376, 1552, 2699, 2752, 3104, 4171, 5398, 6208, 8342, 10796, 16684, 21592, 33368, 43184, 66736, 86368, 116057, 133472, 172736, 232114, 261803, 266944, 464228, 523606, 928456, 1047212, 1856912, 2094424, 3713824, 4188848, 7427648, 8377696, 11257529, 16755392, 22515058, 45030116, 90060232, 180120464, 360240928, 720481856]

約数ペア:

[(1, 720481856), (2, 360240928), (4, 180120464), (8, 90060232), (16, 45030116), (32, 22515058), (43, 16755392), (64, 11257529), (86, 8377696), (97, 7427648), (172, 4188848), (194, 3713824), (344, 2094424), (388, 1856912), (688, 1047212), (776, 928456), (1376, 523606), (1552, 464228), (2699, 266944), (2752, 261803), (3104, 232114), (4171, 172736), (5398, 133472), (6208, 116057), (8342, 86368), (10796, 66736), (16684, 43184), (21592, 33368)]