129661280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{115769}}^1$

素因数の和:115791

約数の個数: 48

約数和(自身を含む): 350088480

約数和(自身を除く): 220427200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 115769, 231538, 463076, 578845, 810383, 926152, 1157690, 1620766, 1852304, 2315380, 3241532, 3704608, 4051915, 4630760, 6483064, 8103830, 9261520, 12966128, 16207660, 18523040, 25932256, 32415320, 64830640, 129661280]

約数ペア:

[(1, 129661280), (2, 64830640), (4, 32415320), (5, 25932256), (7, 18523040), (8, 16207660), (10, 12966128), (14, 9261520), (16, 8103830), (20, 6483064), (28, 4630760), (32, 4051915), (35, 3704608), (40, 3241532), (56, 2315380), (70, 1852304), (80, 1620766), (112, 1157690), (140, 926152), (160, 810383), (224, 578845), (280, 463076), (560, 231538), (1120, 115769)]