133680680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15401}}^1$

素因数の和:15450

約数の個数: 64

約数和(自身を含む): 354862080

約数和(自身を除く): 221181400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 15401, 30802, 61604, 77005, 107807, 123208, 154010, 215614, 308020, 431228, 477431, 539035, 616040, 862456, 954862, 1078070, 1909724, 2156140, 2387155, 3342017, 3819448, 4312280, 4774310, 6684034, 9548620, 13368068, 16710085, 19097240, 26736136, 33420170, 66840340, 133680680]

約数ペア:

[(1, 133680680), (2, 66840340), (4, 33420170), (5, 26736136), (7, 19097240), (8, 16710085), (10, 13368068), (14, 9548620), (20, 6684034), (28, 4774310), (31, 4312280), (35, 3819448), (40, 3342017), (56, 2387155), (62, 2156140), (70, 1909724), (124, 1078070), (140, 954862), (155, 862456), (217, 616040), (248, 539035), (280, 477431), (310, 431228), (434, 308020), (620, 215614), (868, 154010), (1085, 123208), (1240, 107807), (1736, 77005), (2170, 61604), (4340, 30802), (8680, 15401)]