123772020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5303}}^1$

素因数の和:5704

約数の個数: 48

約数和(自身を含む): 347518080

約数和(自身を除く): 223746060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 389, 778, 1167, 1556, 1945, 2334, 3890, 4668, 5303, 5835, 7780, 10606, 11670, 15909, 21212, 23340, 26515, 31818, 53030, 63636, 79545, 106060, 159090, 318180, 2062867, 4125734, 6188601, 8251468, 10314335, 12377202, 20628670, 24754404, 30943005, 41257340, 61886010, 123772020]

約数ペア:

[(1, 123772020), (2, 61886010), (3, 41257340), (4, 30943005), (5, 24754404), (6, 20628670), (10, 12377202), (12, 10314335), (15, 8251468), (20, 6188601), (30, 4125734), (60, 2062867), (389, 318180), (778, 159090), (1167, 106060), (1556, 79545), (1945, 63636), (2334, 53030), (3890, 31818), (4668, 26515), (5303, 23340), (5835, 21212), (7780, 15909), (10606, 11670)]