218340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1213}}^1$

素因数の和:1228

約数の個数: 36

約数和(自身を含む): 662844

約数和(自身を除く): 444504

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1213, 2426, 3639, 4852, 6065, 7278, 10917, 12130, 14556, 18195, 21834, 24260, 36390, 43668, 54585, 72780, 109170, 218340]

約数ペア:

[(1, 218340), (2, 109170), (3, 72780), (4, 54585), (5, 43668), (6, 36390), (9, 24260), (10, 21834), (12, 18195), (15, 14556), (18, 12130), (20, 10917), (30, 7278), (36, 6065), (45, 4852), (60, 3639), (90, 2426), (180, 1213)]