80327240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4703}}^1$

素因数の和:4782

約数の個数: 64

約数和(自身を含む): 209986560

約数和(自身を除く): 129659320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 4703, 8540, 9406, 17080, 18812, 23515, 32921, 37624, 47030, 65842, 94060, 131684, 164605, 188120, 263368, 286883, 329210, 573766, 658420, 1147532, 1316840, 1434415, 2008181, 2295064, 2868830, 4016362, 5737660, 8032724, 10040905, 11475320, 16065448, 20081810, 40163620, 80327240]

約数ペア:

[(1, 80327240), (2, 40163620), (4, 20081810), (5, 16065448), (7, 11475320), (8, 10040905), (10, 8032724), (14, 5737660), (20, 4016362), (28, 2868830), (35, 2295064), (40, 2008181), (56, 1434415), (61, 1316840), (70, 1147532), (122, 658420), (140, 573766), (244, 329210), (280, 286883), (305, 263368), (427, 188120), (488, 164605), (610, 131684), (854, 94060), (1220, 65842), (1708, 47030), (2135, 37624), (2440, 32921), (3416, 23515), (4270, 18812), (4703, 17080), (8540, 9406)]