266875960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1619}}^1$

素因数の和:1960

約数の個数: 64

約数和(自身を含む): 649101600

約数和(自身を除く): 382225640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 317, 520, 634, 1268, 1585, 1619, 2536, 3170, 3238, 4121, 6340, 6476, 8095, 8242, 12680, 12952, 16190, 16484, 20605, 21047, 32380, 32968, 41210, 42094, 64760, 82420, 84188, 105235, 164840, 168376, 210470, 420940, 513223, 841880, 1026446, 2052892, 2566115, 4105784, 5132230, 6671899, 10264460, 13343798, 20528920, 26687596, 33359495, 53375192, 66718990, 133437980, 266875960]

約数ペア:

[(1, 266875960), (2, 133437980), (4, 66718990), (5, 53375192), (8, 33359495), (10, 26687596), (13, 20528920), (20, 13343798), (26, 10264460), (40, 6671899), (52, 5132230), (65, 4105784), (104, 2566115), (130, 2052892), (260, 1026446), (317, 841880), (520, 513223), (634, 420940), (1268, 210470), (1585, 168376), (1619, 164840), (2536, 105235), (3170, 84188), (3238, 82420), (4121, 64760), (6340, 42094), (6476, 41210), (8095, 32968), (8242, 32380), (12680, 21047), (12952, 20605), (16190, 16484)]