1388820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 3951360

約数和(自身を除く): 2562540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 293, 316, 395, 474, 586, 790, 879, 948, 1172, 1185, 1465, 1580, 1758, 2370, 2930, 3516, 4395, 4740, 5860, 8790, 17580, 23147, 46294, 69441, 92588, 115735, 138882, 231470, 277764, 347205, 462940, 694410, 1388820]

約数ペア:

[(1, 1388820), (2, 694410), (3, 462940), (4, 347205), (5, 277764), (6, 231470), (10, 138882), (12, 115735), (15, 92588), (20, 69441), (30, 46294), (60, 23147), (79, 17580), (158, 8790), (237, 5860), (293, 4740), (316, 4395), (395, 3516), (474, 2930), (586, 2370), (790, 1758), (879, 1580), (948, 1465), (1172, 1185)]