78909960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{657583}}^1$

素因数の和:657597

約数の個数: 32

約数和(自身を含む): 236730240

約数和(自身を除く): 157820280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 657583, 1315166, 1972749, 2630332, 3287915, 3945498, 5260664, 6575830, 7890996, 9863745, 13151660, 15781992, 19727490, 26303320, 39454980, 78909960]

約数ペア:

[(1, 78909960), (2, 39454980), (3, 26303320), (4, 19727490), (5, 15781992), (6, 13151660), (8, 9863745), (10, 7890996), (12, 6575830), (15, 5260664), (20, 3945498), (24, 3287915), (30, 2630332), (40, 1972749), (60, 1315166), (120, 657583)]