2777640

素因数分解:

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

素因数の和:386

約数の個数: 64

約数和(自身を含む): 8467200

約数和(自身を除く): 5689560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 293, 316, 395, 474, 586, 632, 790, 879, 948, 1172, 1185, 1465, 1580, 1758, 1896, 2344, 2370, 2930, 3160, 3516, 4395, 4740, 5860, 7032, 8790, 9480, 11720, 17580, 23147, 35160, 46294, 69441, 92588, 115735, 138882, 185176, 231470, 277764, 347205, 462940, 555528, 694410, 925880, 1388820, 2777640]

約数ペア:

[(1, 2777640), (2, 1388820), (3, 925880), (4, 694410), (5, 555528), (6, 462940), (8, 347205), (10, 277764), (12, 231470), (15, 185176), (20, 138882), (24, 115735), (30, 92588), (40, 69441), (60, 46294), (79, 35160), (120, 23147), (158, 17580), (237, 11720), (293, 9480), (316, 8790), (395, 7032), (474, 5860), (586, 4740), (632, 4395), (790, 3516), (879, 3160), (948, 2930), (1172, 2370), (1185, 2344), (1465, 1896), (1580, 1758)]