153813520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{274667}}^1$

素因数の和:274687

約数の個数: 40

約数和(自身を含む): 408705984

約数和(自身を除く): 254892464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 274667, 549334, 1098668, 1373335, 1922669, 2197336, 2746670, 3845338, 4394672, 5493340, 7690676, 9613345, 10986680, 15381352, 19226690, 21973360, 30762704, 38453380, 76906760, 153813520]

約数ペア:

[(1, 153813520), (2, 76906760), (4, 38453380), (5, 30762704), (7, 21973360), (8, 19226690), (10, 15381352), (14, 10986680), (16, 9613345), (20, 7690676), (28, 5493340), (35, 4394672), (40, 3845338), (56, 2746670), (70, 2197336), (80, 1922669), (112, 1373335), (140, 1098668), (280, 549334), (560, 274667)]