61915280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{110563}}^1$

素因数の和:110583

約数の個数: 40

約数和(自身を含む): 164519232

約数和(自身を除く): 102603952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 110563, 221126, 442252, 552815, 773941, 884504, 1105630, 1547882, 1769008, 2211260, 3095764, 3869705, 4422520, 6191528, 7739410, 8845040, 12383056, 15478820, 30957640, 61915280]

約数ペア:

[(1, 61915280), (2, 30957640), (4, 15478820), (5, 12383056), (7, 8845040), (8, 7739410), (10, 6191528), (14, 4422520), (16, 3869705), (20, 3095764), (28, 2211260), (35, 1769008), (40, 1547882), (56, 1105630), (70, 884504), (80, 773941), (112, 552815), (140, 442252), (280, 221126), (560, 110563)]