72896580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{404981}}^1$

素因数の和:404996

約数の個数: 36

約数和(自身を含む): 221120172

約数和(自身を除く): 148223592

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 404981, 809962, 1214943, 1619924, 2024905, 2429886, 3644829, 4049810, 4859772, 6074715, 7289658, 8099620, 12149430, 14579316, 18224145, 24298860, 36448290, 72896580]

約数ペア:

[(1, 72896580), (2, 36448290), (3, 24298860), (4, 18224145), (5, 14579316), (6, 12149430), (9, 8099620), (10, 7289658), (12, 6074715), (15, 4859772), (18, 4049810), (20, 3644829), (30, 2429886), (36, 2024905), (45, 1619924), (60, 1214943), (90, 809962), (180, 404981)]