68580680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7901}}^1$

素因数の和:7950

約数の個数: 64

約数和(自身を含む): 182062080

約数和(自身を除く): 113481400

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, 7901, 8680, 15802, 31604, 39505, 55307, 63208, 79010, 110614, 158020, 221228, 244931, 276535, 316040, 442456, 489862, 553070, 979724, 1106140, 1224655, 1714517, 1959448, 2212280, 2449310, 3429034, 4898620, 6858068, 8572585, 9797240, 13716136, 17145170, 34290340, 68580680]

約数ペア:

[(1, 68580680), (2, 34290340), (4, 17145170), (5, 13716136), (7, 9797240), (8, 8572585), (10, 6858068), (14, 4898620), (20, 3429034), (28, 2449310), (31, 2212280), (35, 1959448), (40, 1714517), (56, 1224655), (62, 1106140), (70, 979724), (124, 553070), (140, 489862), (155, 442456), (217, 316040), (248, 276535), (280, 244931), (310, 221228), (434, 158020), (620, 110614), (868, 79010), (1085, 63208), (1240, 55307), (1736, 39505), (2170, 31604), (4340, 15802), (7901, 8680)]