128551020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164809}}^1$

素因数の和:164834

約数の個数: 48

約数和(自身を含む): 387633120

約数和(自身を除く): 259082100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 164809, 329618, 494427, 659236, 824045, 988854, 1648090, 1977708, 2142517, 2472135, 3296180, 4285034, 4944270, 6427551, 8570068, 9888540, 10712585, 12855102, 21425170, 25710204, 32137755, 42850340, 64275510, 128551020]

約数ペア:

[(1, 128551020), (2, 64275510), (3, 42850340), (4, 32137755), (5, 25710204), (6, 21425170), (10, 12855102), (12, 10712585), (13, 9888540), (15, 8570068), (20, 6427551), (26, 4944270), (30, 4285034), (39, 3296180), (52, 2472135), (60, 2142517), (65, 1977708), (78, 1648090), (130, 988854), (156, 824045), (195, 659236), (260, 494427), (390, 329618), (780, 164809)]