1861120

素因数分解:

$2^9\times 5^1\times {\mathrm{727}}^1$

素因数の和:750

約数の個数: 40

約数和(自身を含む): 4468464

約数和(自身を除く): 2607344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 727, 1280, 1454, 2560, 2908, 3635, 5816, 7270, 11632, 14540, 23264, 29080, 46528, 58160, 93056, 116320, 186112, 232640, 372224, 465280, 930560, 1861120]

約数ペア:

[(1, 1861120), (2, 930560), (4, 465280), (5, 372224), (8, 232640), (10, 186112), (16, 116320), (20, 93056), (32, 58160), (40, 46528), (64, 29080), (80, 23264), (128, 14540), (160, 11632), (256, 7270), (320, 5816), (512, 3635), (640, 2908), (727, 2560), (1280, 1454)]