90681080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8753}}^1$

素因数の和:8808

約数の個数: 64

約数和(自身を含む): 239509440

約数和(自身を除く): 148828360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 8753, 10360, 17506, 35012, 43765, 61271, 70024, 87530, 122542, 175060, 245084, 306355, 323861, 350120, 490168, 612710, 647722, 1225420, 1295444, 1619305, 2267027, 2450840, 2590888, 3238610, 4534054, 6477220, 9068108, 11335135, 12954440, 18136216, 22670270, 45340540, 90681080]

約数ペア:

[(1, 90681080), (2, 45340540), (4, 22670270), (5, 18136216), (7, 12954440), (8, 11335135), (10, 9068108), (14, 6477220), (20, 4534054), (28, 3238610), (35, 2590888), (37, 2450840), (40, 2267027), (56, 1619305), (70, 1295444), (74, 1225420), (140, 647722), (148, 612710), (185, 490168), (259, 350120), (280, 323861), (296, 306355), (370, 245084), (518, 175060), (740, 122542), (1036, 87530), (1295, 70024), (1480, 61271), (2072, 43765), (2590, 35012), (5180, 17506), (8753, 10360)]