2782360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 7545600

約数和(自身を除く): 4763240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 523, 532, 665, 760, 1046, 1064, 1330, 2092, 2615, 2660, 3661, 4184, 5230, 5320, 7322, 9937, 10460, 14644, 18305, 19874, 20920, 29288, 36610, 39748, 49685, 69559, 73220, 79496, 99370, 139118, 146440, 198740, 278236, 347795, 397480, 556472, 695590, 1391180, 2782360]

約数ペア:

[(1, 2782360), (2, 1391180), (4, 695590), (5, 556472), (7, 397480), (8, 347795), (10, 278236), (14, 198740), (19, 146440), (20, 139118), (28, 99370), (35, 79496), (38, 73220), (40, 69559), (56, 49685), (70, 39748), (76, 36610), (95, 29288), (133, 20920), (140, 19874), (152, 18305), (190, 14644), (266, 10460), (280, 9937), (380, 7322), (523, 5320), (532, 5230), (665, 4184), (760, 3661), (1046, 2660), (1064, 2615), (1330, 2092)]