155286320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{277297}}^1$

素因数の和:277317

約数の個数: 40

約数和(自身を含む): 412619424

約数和(自身を除く): 257333104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 277297, 554594, 1109188, 1386485, 1941079, 2218376, 2772970, 3882158, 4436752, 5545940, 7764316, 9705395, 11091880, 15528632, 19410790, 22183760, 31057264, 38821580, 77643160, 155286320]

約数ペア:

[(1, 155286320), (2, 77643160), (4, 38821580), (5, 31057264), (7, 22183760), (8, 19410790), (10, 15528632), (14, 11091880), (16, 9705395), (20, 7764316), (28, 5545940), (35, 4436752), (40, 3882158), (56, 2772970), (70, 2218376), (80, 1941079), (112, 1386485), (140, 1109188), (280, 554594), (560, 277297)]