156901120

素因数分解:

$2^8\times 5^1\times {\mathrm{122579}}^1$

素因数の和:122600

約数の個数: 36

約数和(自身を含む): 375830280

約数和(自身を除く): 218929160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 122579, 245158, 490316, 612895, 980632, 1225790, 1961264, 2451580, 3922528, 4903160, 7845056, 9806320, 15690112, 19612640, 31380224, 39225280, 78450560, 156901120]

約数ペア:

[(1, 156901120), (2, 78450560), (4, 39225280), (5, 31380224), (8, 19612640), (10, 15690112), (16, 9806320), (20, 7845056), (32, 4903160), (40, 3922528), (64, 2451580), (80, 1961264), (128, 1225790), (160, 980632), (256, 612895), (320, 490316), (640, 245158), (1280, 122579)]