261256560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1088569}}^1$

素因数の和:1088585

約数の個数: 40

約数和(自身を含む): 809896080

約数和(自身を除く): 548639520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1088569, 2177138, 3265707, 4354276, 5442845, 6531414, 8708552, 10885690, 13062828, 16328535, 17417104, 21771380, 26125656, 32657070, 43542760, 52251312, 65314140, 87085520, 130628280, 261256560]

約数ペア:

[(1, 261256560), (2, 130628280), (3, 87085520), (4, 65314140), (5, 52251312), (6, 43542760), (8, 32657070), (10, 26125656), (12, 21771380), (15, 17417104), (16, 16328535), (20, 13062828), (24, 10885690), (30, 8708552), (40, 6531414), (48, 5442845), (60, 4354276), (80, 3265707), (120, 2177138), (240, 1088569)]