31209640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10133}}^1$

素因数の和:10162

約数の個数: 64

約数和(自身を含む): 87557760

約数和(自身を除く): 56348120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 10133, 20266, 40532, 50665, 70931, 81064, 101330, 111463, 141862, 202660, 222926, 283724, 354655, 405320, 445852, 557315, 567448, 709310, 780241, 891704, 1114630, 1418620, 1560482, 2229260, 2837240, 3120964, 3901205, 4458520, 6241928, 7802410, 15604820, 31209640]

約数ペア:

[(1, 31209640), (2, 15604820), (4, 7802410), (5, 6241928), (7, 4458520), (8, 3901205), (10, 3120964), (11, 2837240), (14, 2229260), (20, 1560482), (22, 1418620), (28, 1114630), (35, 891704), (40, 780241), (44, 709310), (55, 567448), (56, 557315), (70, 445852), (77, 405320), (88, 354655), (110, 283724), (140, 222926), (154, 202660), (220, 141862), (280, 111463), (308, 101330), (385, 81064), (440, 70931), (616, 50665), (770, 40532), (1540, 20266), (3080, 10133)]