291259860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{12479}}^1$

素因数の和:12880

約数の個数: 48

約数和(自身を含む): 817689600

約数和(自身を除く): 526429740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 389, 778, 1167, 1556, 1945, 2334, 3890, 4668, 5835, 7780, 11670, 12479, 23340, 24958, 37437, 49916, 62395, 74874, 124790, 149748, 187185, 249580, 374370, 748740, 4854331, 9708662, 14562993, 19417324, 24271655, 29125986, 48543310, 58251972, 72814965, 97086620, 145629930, 291259860]

約数ペア:

[(1, 291259860), (2, 145629930), (3, 97086620), (4, 72814965), (5, 58251972), (6, 48543310), (10, 29125986), (12, 24271655), (15, 19417324), (20, 14562993), (30, 9708662), (60, 4854331), (389, 748740), (778, 374370), (1167, 249580), (1556, 187185), (1945, 149748), (2334, 124790), (3890, 74874), (4668, 62395), (5835, 49916), (7780, 37437), (11670, 24958), (12479, 23340)]