1223565560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1559}}^1\times {\mathrm{2803}}^1$

素因数の和:4380

約数の個数: 64

約数和(自身を含む): 3149452800

約数和(自身を除く): 1925887240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1559, 2803, 3118, 5606, 6236, 7795, 10913, 11212, 12472, 14015, 15590, 19621, 21826, 22424, 28030, 31180, 39242, 43652, 54565, 56060, 62360, 78484, 87304, 98105, 109130, 112120, 156968, 196210, 218260, 392420, 436520, 784840, 4369877, 8739754, 17479508, 21849385, 30589139, 34959016, 43698770, 61178278, 87397540, 122356556, 152945695, 174795080, 244713112, 305891390, 611782780, 1223565560]

約数ペア:

[(1, 1223565560), (2, 611782780), (4, 305891390), (5, 244713112), (7, 174795080), (8, 152945695), (10, 122356556), (14, 87397540), (20, 61178278), (28, 43698770), (35, 34959016), (40, 30589139), (56, 21849385), (70, 17479508), (140, 8739754), (280, 4369877), (1559, 784840), (2803, 436520), (3118, 392420), (5606, 218260), (6236, 196210), (7795, 156968), (10913, 112120), (11212, 109130), (12472, 98105), (14015, 87304), (15590, 78484), (19621, 62360), (21826, 56060), (22424, 54565), (28030, 43652), (31180, 39242)]