78904680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{657539}}^1$

素因数の和:657553

約数の個数: 32

約数和(自身を含む): 236714400

約数和(自身を除く): 157809720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 657539, 1315078, 1972617, 2630156, 3287695, 3945234, 5260312, 6575390, 7890468, 9863085, 13150780, 15780936, 19726170, 26301560, 39452340, 78904680]

約数ペア:

[(1, 78904680), (2, 39452340), (3, 26301560), (4, 19726170), (5, 15780936), (6, 13150780), (8, 9863085), (10, 7890468), (12, 6575390), (15, 5260312), (20, 3945234), (24, 3287695), (30, 2630156), (40, 1972617), (60, 1315078), (120, 657539)]