67909960

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 157697280

約数和(自身を除く): 89787320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 103, 106, 206, 212, 265, 311, 412, 424, 515, 530, 622, 824, 1030, 1060, 1244, 1555, 2060, 2120, 2488, 3110, 4120, 5459, 6220, 10918, 12440, 16483, 21836, 27295, 32033, 32966, 43672, 54590, 64066, 65932, 82415, 109180, 128132, 131864, 160165, 164830, 218360, 256264, 320330, 329660, 640660, 659320, 1281320, 1697749, 3395498, 6790996, 8488745, 13581992, 16977490, 33954980, 67909960]

約数ペア:

[(1, 67909960), (2, 33954980), (4, 16977490), (5, 13581992), (8, 8488745), (10, 6790996), (20, 3395498), (40, 1697749), (53, 1281320), (103, 659320), (106, 640660), (206, 329660), (212, 320330), (265, 256264), (311, 218360), (412, 164830), (424, 160165), (515, 131864), (530, 128132), (622, 109180), (824, 82415), (1030, 65932), (1060, 64066), (1244, 54590), (1555, 43672), (2060, 32966), (2120, 32033), (2488, 27295), (3110, 21836), (4120, 16483), (5459, 12440), (6220, 10918)]