215530880

素因数分解:

$2^7\times 5^1\times {\mathrm{336767}}^1$

素因数の和:336786

約数の個数: 32

約数和(自身を含む): 515255040

約数和(自身を除く): 299724160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 336767, 673534, 1347068, 1683835, 2694136, 3367670, 5388272, 6735340, 10776544, 13470680, 21553088, 26941360, 43106176, 53882720, 107765440, 215530880]

約数ペア:

[(1, 215530880), (2, 107765440), (4, 53882720), (5, 43106176), (8, 26941360), (10, 21553088), (16, 13470680), (20, 10776544), (32, 6735340), (40, 5388272), (64, 3367670), (80, 2694136), (128, 1683835), (160, 1347068), (320, 673534), (640, 336767)]