78121320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1279}}^1$

素因数の和:1802

約数の個数: 64

約数和(自身を含む): 235008000

約数和(自身を除く): 156886680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 509, 1018, 1279, 1527, 2036, 2545, 2558, 3054, 3837, 4072, 5090, 5116, 6108, 6395, 7635, 7674, 10180, 10232, 12216, 12790, 15270, 15348, 19185, 20360, 25580, 30540, 30696, 38370, 51160, 61080, 76740, 153480, 651011, 1302022, 1953033, 2604044, 3255055, 3906066, 5208088, 6510110, 7812132, 9765165, 13020220, 15624264, 19530330, 26040440, 39060660, 78121320]

約数ペア:

[(1, 78121320), (2, 39060660), (3, 26040440), (4, 19530330), (5, 15624264), (6, 13020220), (8, 9765165), (10, 7812132), (12, 6510110), (15, 5208088), (20, 3906066), (24, 3255055), (30, 2604044), (40, 1953033), (60, 1302022), (120, 651011), (509, 153480), (1018, 76740), (1279, 61080), (1527, 51160), (2036, 38370), (2545, 30696), (2558, 30540), (3054, 25580), (3837, 20360), (4072, 19185), (5090, 15348), (5116, 15270), (6108, 12790), (6395, 12216), (7635, 10232), (7674, 10180)]