680904

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{193}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 2156310

約数和(自身を除く): 1475406

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 193, 196, 252, 294, 386, 392, 441, 504, 579, 588, 772, 882, 1158, 1176, 1351, 1544, 1737, 1764, 2316, 2702, 3474, 3528, 4053, 4632, 5404, 6948, 8106, 9457, 10808, 12159, 13896, 16212, 18914, 24318, 28371, 32424, 37828, 48636, 56742, 75656, 85113, 97272, 113484, 170226, 226968, 340452, 680904]

約数ペア:

[(1, 680904), (2, 340452), (3, 226968), (4, 170226), (6, 113484), (7, 97272), (8, 85113), (9, 75656), (12, 56742), (14, 48636), (18, 37828), (21, 32424), (24, 28371), (28, 24318), (36, 18914), (42, 16212), (49, 13896), (56, 12159), (63, 10808), (72, 9457), (84, 8106), (98, 6948), (126, 5404), (147, 4632), (168, 4053), (193, 3528), (196, 3474), (252, 2702), (294, 2316), (386, 1764), (392, 1737), (441, 1544), (504, 1351), (579, 1176), (588, 1158), (772, 882)]