218525640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{1489}}^1$

素因数の和:2726

約数の個数: 64

約数和(自身を含む): 656553600

約数和(自身を除く): 438027960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1223, 1489, 2446, 2978, 3669, 4467, 4892, 5956, 6115, 7338, 7445, 8934, 9784, 11912, 12230, 14676, 14890, 17868, 18345, 22335, 24460, 29352, 29780, 35736, 36690, 44670, 48920, 59560, 73380, 89340, 146760, 178680, 1821047, 3642094, 5463141, 7284188, 9105235, 10926282, 14568376, 18210470, 21852564, 27315705, 36420940, 43705128, 54631410, 72841880, 109262820, 218525640]

約数ペア:

[(1, 218525640), (2, 109262820), (3, 72841880), (4, 54631410), (5, 43705128), (6, 36420940), (8, 27315705), (10, 21852564), (12, 18210470), (15, 14568376), (20, 10926282), (24, 9105235), (30, 7284188), (40, 5463141), (60, 3642094), (120, 1821047), (1223, 178680), (1489, 146760), (2446, 89340), (2978, 73380), (3669, 59560), (4467, 48920), (4892, 44670), (5956, 36690), (6115, 35736), (7338, 29780), (7445, 29352), (8934, 24460), (9784, 22335), (11912, 18345), (12230, 17868), (14676, 14890)]