78502480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1361}}^1$

素因数の和:1484

約数の個数: 80

約数和(自身を含む): 210772224

約数和(自身を除く): 132269744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 560, 721, 824, 1030, 1361, 1442, 1648, 2060, 2722, 2884, 3605, 4120, 5444, 5768, 6805, 7210, 8240, 9527, 10888, 11536, 13610, 14420, 19054, 21776, 27220, 28840, 38108, 47635, 54440, 57680, 76216, 95270, 108880, 140183, 152432, 190540, 280366, 381080, 560732, 700915, 762160, 981281, 1121464, 1401830, 1962562, 2242928, 2803660, 3925124, 4906405, 5607320, 7850248, 9812810, 11214640, 15700496, 19625620, 39251240, 78502480]

約数ペア:

[(1, 78502480), (2, 39251240), (4, 19625620), (5, 15700496), (7, 11214640), (8, 9812810), (10, 7850248), (14, 5607320), (16, 4906405), (20, 3925124), (28, 2803660), (35, 2242928), (40, 1962562), (56, 1401830), (70, 1121464), (80, 981281), (103, 762160), (112, 700915), (140, 560732), (206, 381080), (280, 280366), (412, 190540), (515, 152432), (560, 140183), (721, 108880), (824, 95270), (1030, 76216), (1361, 57680), (1442, 54440), (1648, 47635), (2060, 38108), (2722, 28840), (2884, 27220), (3605, 21776), (4120, 19054), (5444, 14420), (5768, 13610), (6805, 11536), (7210, 10888), (8240, 9527)]