57241980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{653}}^1$

素因数の和:1155

約数の個数: 72

約数和(自身を含む): 174256992

約数和(自身を除く): 117015012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487, 653, 974, 1306, 1461, 1948, 1959, 2435, 2612, 2922, 3265, 3918, 4383, 4870, 5844, 5877, 6530, 7305, 7836, 8766, 9740, 9795, 11754, 13060, 14610, 17532, 19590, 21915, 23508, 29220, 29385, 39180, 43830, 58770, 87660, 117540, 318011, 636022, 954033, 1272044, 1590055, 1908066, 2862099, 3180110, 3816132, 4770165, 5724198, 6360220, 9540330, 11448396, 14310495, 19080660, 28620990, 57241980]

約数ペア:

[(1, 57241980), (2, 28620990), (3, 19080660), (4, 14310495), (5, 11448396), (6, 9540330), (9, 6360220), (10, 5724198), (12, 4770165), (15, 3816132), (18, 3180110), (20, 2862099), (30, 1908066), (36, 1590055), (45, 1272044), (60, 954033), (90, 636022), (180, 318011), (487, 117540), (653, 87660), (974, 58770), (1306, 43830), (1461, 39180), (1948, 29385), (1959, 29220), (2435, 23508), (2612, 21915), (2922, 19590), (3265, 17532), (3918, 14610), (4383, 13060), (4870, 11754), (5844, 9795), (5877, 9740), (6530, 8766), (7305, 7836)]