21637080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60103}}^1$

素因数の和:60120

約数の個数: 48

約数和(自身を含む): 70321680

約数和(自身を除く): 48684600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 60103, 120206, 180309, 240412, 300515, 360618, 480824, 540927, 601030, 721236, 901545, 1081854, 1202060, 1442472, 1803090, 2163708, 2404120, 2704635, 3606180, 4327416, 5409270, 7212360, 10818540, 21637080]

約数ペア:

[(1, 21637080), (2, 10818540), (3, 7212360), (4, 5409270), (5, 4327416), (6, 3606180), (8, 2704635), (9, 2404120), (10, 2163708), (12, 1803090), (15, 1442472), (18, 1202060), (20, 1081854), (24, 901545), (30, 721236), (36, 601030), (40, 540927), (45, 480824), (60, 360618), (72, 300515), (90, 240412), (120, 180309), (180, 120206), (360, 60103)]