71078220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{394879}}^1$

素因数の和:394894

約数の個数: 36

約数和(自身を含む): 215604480

約数和(自身を除く): 144526260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 394879, 789758, 1184637, 1579516, 1974395, 2369274, 3553911, 3948790, 4738548, 5923185, 7107822, 7897580, 11846370, 14215644, 17769555, 23692740, 35539110, 71078220]

約数ペア:

[(1, 71078220), (2, 35539110), (3, 23692740), (4, 17769555), (5, 14215644), (6, 11846370), (9, 7897580), (10, 7107822), (12, 5923185), (15, 4738548), (18, 3948790), (20, 3553911), (30, 2369274), (36, 1974395), (45, 1579516), (60, 1184637), (90, 789758), (180, 394879)]