256048740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1422493}}^1$

素因数の和:1422508

約数の個数: 36

約数和(自身を含む): 776681724

約数和(自身を除く): 520632984

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1422493, 2844986, 4267479, 5689972, 7112465, 8534958, 12802437, 14224930, 17069916, 21337395, 25604874, 28449860, 42674790, 51209748, 64012185, 85349580, 128024370, 256048740]

約数ペア:

[(1, 256048740), (2, 128024370), (3, 85349580), (4, 64012185), (5, 51209748), (6, 42674790), (9, 28449860), (10, 25604874), (12, 21337395), (15, 17069916), (18, 14224930), (20, 12802437), (30, 8534958), (36, 7112465), (45, 5689972), (60, 4267479), (90, 2844986), (180, 1422493)]