2638920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{21991}}^1$

素因数の和:22005

約数の個数: 32

約数和(自身を含む): 7917120

約数和(自身を除く): 5278200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 21991, 43982, 65973, 87964, 109955, 131946, 175928, 219910, 263892, 329865, 439820, 527784, 659730, 879640, 1319460, 2638920]

約数ペア:

[(1, 2638920), (2, 1319460), (3, 879640), (4, 659730), (5, 527784), (6, 439820), (8, 329865), (10, 263892), (12, 219910), (15, 175928), (20, 131946), (24, 109955), (30, 87964), (40, 65973), (60, 43982), (120, 21991)]