123235280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{220063}}^1$

素因数の和:220083

約数の個数: 40

約数和(自身を含む): 327455232

約数和(自身を除く): 204219952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 220063, 440126, 880252, 1100315, 1540441, 1760504, 2200630, 3080882, 3521008, 4401260, 6161764, 7702205, 8802520, 12323528, 15404410, 17605040, 24647056, 30808820, 61617640, 123235280]

約数ペア:

[(1, 123235280), (2, 61617640), (4, 30808820), (5, 24647056), (7, 17605040), (8, 15404410), (10, 12323528), (14, 8802520), (16, 7702205), (20, 6161764), (28, 4401260), (35, 3521008), (40, 3080882), (56, 2200630), (70, 1760504), (80, 1540441), (112, 1100315), (140, 880252), (280, 440126), (560, 220063)]