1855280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3313}}^1$

素因数の和:3333

約数の個数: 40

約数和(自身を含む): 4931232

約数和(自身を除く): 3075952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3313, 6626, 13252, 16565, 23191, 26504, 33130, 46382, 53008, 66260, 92764, 115955, 132520, 185528, 231910, 265040, 371056, 463820, 927640, 1855280]

約数ペア:

[(1, 1855280), (2, 927640), (4, 463820), (5, 371056), (7, 265040), (8, 231910), (10, 185528), (14, 132520), (16, 115955), (20, 92764), (28, 66260), (35, 53008), (40, 46382), (56, 33130), (70, 26504), (80, 23191), (112, 16565), (140, 13252), (280, 6626), (560, 3313)]