77728920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{647741}}^1$

素因数の和:647755

約数の個数: 32

約数和(自身を含む): 233187120

約数和(自身を除く): 155458200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 647741, 1295482, 1943223, 2590964, 3238705, 3886446, 5181928, 6477410, 7772892, 9716115, 12954820, 15545784, 19432230, 25909640, 38864460, 77728920]

約数ペア:

[(1, 77728920), (2, 38864460), (3, 25909640), (4, 19432230), (5, 15545784), (6, 12954820), (8, 9716115), (10, 7772892), (12, 6477410), (15, 5181928), (20, 3886446), (24, 3238705), (30, 2590964), (40, 1943223), (60, 1295482), (120, 647741)]