420429780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2335721}}^1$

素因数の和:2335736

約数の個数: 36

約数和(自身を含む): 1275304212

約数和(自身を除く): 854874432

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2335721, 4671442, 7007163, 9342884, 11678605, 14014326, 21021489, 23357210, 28028652, 35035815, 42042978, 46714420, 70071630, 84085956, 105107445, 140143260, 210214890, 420429780]

約数ペア:

[(1, 420429780), (2, 210214890), (3, 140143260), (4, 105107445), (5, 84085956), (6, 70071630), (9, 46714420), (10, 42042978), (12, 35035815), (15, 28028652), (18, 23357210), (20, 21021489), (30, 14014326), (36, 11678605), (45, 9342884), (60, 7007163), (90, 4671442), (180, 2335721)]