78812520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{656771}}^1$

素因数の和:656785

約数の個数: 32

約数和(自身を含む): 236437920

約数和(自身を除く): 157625400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 656771, 1313542, 1970313, 2627084, 3283855, 3940626, 5254168, 6567710, 7881252, 9851565, 13135420, 15762504, 19703130, 26270840, 39406260, 78812520]

約数ペア:

[(1, 78812520), (2, 39406260), (3, 26270840), (4, 19703130), (5, 15762504), (6, 13135420), (8, 9851565), (10, 7881252), (12, 6567710), (15, 5254168), (20, 3940626), (24, 3283855), (30, 2627084), (40, 1970313), (60, 1313542), (120, 656771)]