201721620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{2749}}^1$

素因数の和:3984

約数の個数: 48

約数和(自身を含む): 565488000

約数和(自身を除く): 363766380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1223, 2446, 2749, 3669, 4892, 5498, 6115, 7338, 8247, 10996, 12230, 13745, 14676, 16494, 18345, 24460, 27490, 32988, 36690, 41235, 54980, 73380, 82470, 164940, 3362027, 6724054, 10086081, 13448108, 16810135, 20172162, 33620270, 40344324, 50430405, 67240540, 100860810, 201721620]

約数ペア:

[(1, 201721620), (2, 100860810), (3, 67240540), (4, 50430405), (5, 40344324), (6, 33620270), (10, 20172162), (12, 16810135), (15, 13448108), (20, 10086081), (30, 6724054), (60, 3362027), (1223, 164940), (2446, 82470), (2749, 73380), (3669, 54980), (4892, 41235), (5498, 36690), (6115, 32988), (7338, 27490), (8247, 24460), (10996, 18345), (12230, 16494), (13745, 14676)]