1284240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{5351}}^1$

素因数の和:5367

約数の個数: 40

約数和(自身を含む): 3981888

約数和(自身を除く): 2697648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5351, 10702, 16053, 21404, 26755, 32106, 42808, 53510, 64212, 80265, 85616, 107020, 128424, 160530, 214040, 256848, 321060, 428080, 642120, 1284240]

約数ペア:

[(1, 1284240), (2, 642120), (3, 428080), (4, 321060), (5, 256848), (6, 214040), (8, 160530), (10, 128424), (12, 107020), (15, 85616), (16, 80265), (20, 64212), (24, 53510), (30, 42808), (40, 32106), (48, 26755), (60, 21404), (80, 16053), (120, 10702), (240, 5351)]