645810816

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{240257}}^1$

素因数の和:240281

約数の個数: 64

約数和(自身を含む): 1960505280

約数和(自身を除く): 1314694464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 240257, 480514, 720771, 961028, 1441542, 1681799, 1922056, 2883084, 3363598, 3844112, 5045397, 5766168, 6727196, 7688224, 10090794, 11532336, 13454392, 15376448, 20181588, 23064672, 26908784, 30752896, 40363176, 46129344, 53817568, 80726352, 92258688, 107635136, 161452704, 215270272, 322905408, 645810816]

約数ペア:

[(1, 645810816), (2, 322905408), (3, 215270272), (4, 161452704), (6, 107635136), (7, 92258688), (8, 80726352), (12, 53817568), (14, 46129344), (16, 40363176), (21, 30752896), (24, 26908784), (28, 23064672), (32, 20181588), (42, 15376448), (48, 13454392), (56, 11532336), (64, 10090794), (84, 7688224), (96, 6727196), (112, 5766168), (128, 5045397), (168, 3844112), (192, 3363598), (224, 2883084), (336, 1922056), (384, 1681799), (448, 1441542), (672, 961028), (896, 720771), (1344, 480514), (2688, 240257)]