81668280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{680569}}^1$

素因数の和:680583

約数の個数: 32

約数和(自身を含む): 245005200

約数和(自身を除く): 163336920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 680569, 1361138, 2041707, 2722276, 3402845, 4083414, 5444552, 6805690, 8166828, 10208535, 13611380, 16333656, 20417070, 27222760, 40834140, 81668280]

約数ペア:

[(1, 81668280), (2, 40834140), (3, 27222760), (4, 20417070), (5, 16333656), (6, 13611380), (8, 10208535), (10, 8166828), (12, 6805690), (15, 5444552), (20, 4083414), (24, 3402845), (30, 2722276), (40, 2041707), (60, 1361138), (120, 680569)]