639580140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{3553223}}^1$

素因数の和:3553238

約数の個数: 36

約数和(自身を含む): 1940060304

約数和(自身を除く): 1300480164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 3553223, 7106446, 10659669, 14212892, 17766115, 21319338, 31979007, 35532230, 42638676, 53298345, 63958014, 71064460, 106596690, 127916028, 159895035, 213193380, 319790070, 639580140]

約数ペア:

[(1, 639580140), (2, 319790070), (3, 213193380), (4, 159895035), (5, 127916028), (6, 106596690), (9, 71064460), (10, 63958014), (12, 53298345), (15, 42638676), (18, 35532230), (20, 31979007), (30, 21319338), (36, 17766115), (45, 14212892), (60, 10659669), (90, 7106446), (180, 3553223)]