12002220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 36756720

約数和(自身を除く): 24754500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 509, 524, 655, 786, 1018, 1179, 1310, 1527, 1572, 1965, 2036, 2358, 2545, 2620, 3054, 3930, 4581, 4716, 5090, 5895, 6108, 7635, 7860, 9162, 10180, 11790, 15270, 18324, 22905, 23580, 30540, 45810, 66679, 91620, 133358, 200037, 266716, 333395, 400074, 600111, 666790, 800148, 1000185, 1200222, 1333580, 2000370, 2400444, 3000555, 4000740, 6001110, 12002220]

約数ペア:

[(1, 12002220), (2, 6001110), (3, 4000740), (4, 3000555), (5, 2400444), (6, 2000370), (9, 1333580), (10, 1200222), (12, 1000185), (15, 800148), (18, 666790), (20, 600111), (30, 400074), (36, 333395), (45, 266716), (60, 200037), (90, 133358), (131, 91620), (180, 66679), (262, 45810), (393, 30540), (509, 23580), (524, 22905), (655, 18324), (786, 15270), (1018, 11790), (1179, 10180), (1310, 9162), (1527, 7860), (1572, 7635), (1965, 6108), (2036, 5895), (2358, 5090), (2545, 4716), (2620, 4581), (3054, 3930)]