2720077808

素因数分解:

$2^4\times 7^3\times {\mathrm{89}}^1\times {\mathrm{5569}}^1$

素因数の和:5687

約数の個数: 80

約数和(自身を含む): 6216120000

約数和(自身を除く): 3496042192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 89, 98, 112, 178, 196, 343, 356, 392, 623, 686, 712, 784, 1246, 1372, 1424, 2492, 2744, 4361, 4984, 5488, 5569, 8722, 9968, 11138, 17444, 22276, 30527, 34888, 38983, 44552, 61054, 69776, 77966, 89104, 122108, 155932, 244216, 272881, 311864, 488432, 495641, 545762, 623728, 991282, 1091524, 1910167, 1982564, 2183048, 3469487, 3820334, 3965128, 4366096, 6938974, 7640668, 7930256, 13877948, 15281336, 24286409, 27755896, 30562672, 48572818, 55511792, 97145636, 170004863, 194291272, 340009726, 388582544, 680019452, 1360038904, 2720077808]

約数ペア:

[(1, 2720077808), (2, 1360038904), (4, 680019452), (7, 388582544), (8, 340009726), (14, 194291272), (16, 170004863), (28, 97145636), (49, 55511792), (56, 48572818), (89, 30562672), (98, 27755896), (112, 24286409), (178, 15281336), (196, 13877948), (343, 7930256), (356, 7640668), (392, 6938974), (623, 4366096), (686, 3965128), (712, 3820334), (784, 3469487), (1246, 2183048), (1372, 1982564), (1424, 1910167), (2492, 1091524), (2744, 991282), (4361, 623728), (4984, 545762), (5488, 495641), (5569, 488432), (8722, 311864), (9968, 272881), (11138, 244216), (17444, 155932), (22276, 122108), (30527, 89104), (34888, 77966), (38983, 69776), (44552, 61054)]