68117580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1697}}^1$

素因数の和:1935

約数の個数: 72

約数和(自身を含む): 207672192

約数和(自身を除く): 139554612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 669, 892, 1115, 1338, 1697, 2007, 2230, 2676, 3345, 3394, 4014, 4460, 5091, 6690, 6788, 8028, 8485, 10035, 10182, 13380, 15273, 16970, 20070, 20364, 25455, 30546, 33940, 40140, 50910, 61092, 76365, 101820, 152730, 305460, 378431, 756862, 1135293, 1513724, 1892155, 2270586, 3405879, 3784310, 4541172, 5676465, 6811758, 7568620, 11352930, 13623516, 17029395, 22705860, 34058790, 68117580]

約数ペア:

[(1, 68117580), (2, 34058790), (3, 22705860), (4, 17029395), (5, 13623516), (6, 11352930), (9, 7568620), (10, 6811758), (12, 5676465), (15, 4541172), (18, 3784310), (20, 3405879), (30, 2270586), (36, 1892155), (45, 1513724), (60, 1135293), (90, 756862), (180, 378431), (223, 305460), (446, 152730), (669, 101820), (892, 76365), (1115, 61092), (1338, 50910), (1697, 40140), (2007, 33940), (2230, 30546), (2676, 25455), (3345, 20364), (3394, 20070), (4014, 16970), (4460, 15273), (5091, 13380), (6690, 10182), (6788, 10035), (8028, 8485)]