1536440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 3512160

約数和(自身を除く): 1975720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 541, 568, 710, 1082, 1420, 2164, 2705, 2840, 4328, 5410, 10820, 21640, 38411, 76822, 153644, 192055, 307288, 384110, 768220, 1536440]

約数ペア:

[(1, 1536440), (2, 768220), (4, 384110), (5, 307288), (8, 192055), (10, 153644), (20, 76822), (40, 38411), (71, 21640), (142, 10820), (284, 5410), (355, 4328), (541, 2840), (568, 2705), (710, 2164), (1082, 1420)]