178740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{331}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 557760

約数和(自身を除く): 379020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 331, 540, 662, 993, 1324, 1655, 1986, 2979, 3310, 3972, 4965, 5958, 6620, 8937, 9930, 11916, 14895, 17874, 19860, 29790, 35748, 44685, 59580, 89370, 178740]

約数ペア:

[(1, 178740), (2, 89370), (3, 59580), (4, 44685), (5, 35748), (6, 29790), (9, 19860), (10, 17874), (12, 14895), (15, 11916), (18, 9930), (20, 8937), (27, 6620), (30, 5958), (36, 4965), (45, 3972), (54, 3310), (60, 2979), (90, 1986), (108, 1655), (135, 1324), (180, 993), (270, 662), (331, 540)]