1283120

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:429

約数の個数: 40

約数和(自身を含む): 3060816

約数和(自身を除く): 1777696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 373, 430, 688, 746, 860, 1492, 1720, 1865, 2984, 3440, 3730, 5968, 7460, 14920, 16039, 29840, 32078, 64156, 80195, 128312, 160390, 256624, 320780, 641560, 1283120]

約数ペア:

[(1, 1283120), (2, 641560), (4, 320780), (5, 256624), (8, 160390), (10, 128312), (16, 80195), (20, 64156), (40, 32078), (43, 29840), (80, 16039), (86, 14920), (172, 7460), (215, 5968), (344, 3730), (373, 3440), (430, 2984), (688, 1865), (746, 1720), (860, 1492)]