81978810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1097}}^1$

素因数の和:1207

約数の個数: 64

約数和(自身を含む): 204913152

約数和(自身を除く): 122934342

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 53, 94, 106, 141, 159, 235, 265, 282, 318, 470, 530, 705, 795, 1097, 1410, 1590, 2194, 2491, 3291, 4982, 5485, 6582, 7473, 10970, 12455, 14946, 16455, 24910, 32910, 37365, 51559, 58141, 74730, 103118, 116282, 154677, 174423, 257795, 290705, 309354, 348846, 515590, 581410, 773385, 872115, 1546770, 1744230, 2732627, 5465254, 8197881, 13663135, 16395762, 27326270, 40989405, 81978810]

約数ペア:

[(1, 81978810), (2, 40989405), (3, 27326270), (5, 16395762), (6, 13663135), (10, 8197881), (15, 5465254), (30, 2732627), (47, 1744230), (53, 1546770), (94, 872115), (106, 773385), (141, 581410), (159, 515590), (235, 348846), (265, 309354), (282, 290705), (318, 257795), (470, 174423), (530, 154677), (705, 116282), (795, 103118), (1097, 74730), (1410, 58141), (1590, 51559), (2194, 37365), (2491, 32910), (3291, 24910), (4982, 16455), (5485, 14946), (6582, 12455), (7473, 10970)]