90828080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{673}}^1$

素因数の和:934

約数の個数: 80

約数和(自身を含む): 242704704

約数和(自身を除く): 151876624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 241, 280, 482, 560, 673, 964, 1205, 1346, 1687, 1928, 2410, 2692, 3365, 3374, 3856, 4711, 4820, 5384, 6730, 6748, 8435, 9422, 9640, 10768, 13460, 13496, 16870, 18844, 19280, 23555, 26920, 26992, 33740, 37688, 47110, 53840, 67480, 75376, 94220, 134960, 162193, 188440, 324386, 376880, 648772, 810965, 1135351, 1297544, 1621930, 2270702, 2595088, 3243860, 4541404, 5676755, 6487720, 9082808, 11353510, 12975440, 18165616, 22707020, 45414040, 90828080]

約数ペア:

[(1, 90828080), (2, 45414040), (4, 22707020), (5, 18165616), (7, 12975440), (8, 11353510), (10, 9082808), (14, 6487720), (16, 5676755), (20, 4541404), (28, 3243860), (35, 2595088), (40, 2270702), (56, 1621930), (70, 1297544), (80, 1135351), (112, 810965), (140, 648772), (241, 376880), (280, 324386), (482, 188440), (560, 162193), (673, 134960), (964, 94220), (1205, 75376), (1346, 67480), (1687, 53840), (1928, 47110), (2410, 37688), (2692, 33740), (3365, 26992), (3374, 26920), (3856, 23555), (4711, 19280), (4820, 18844), (5384, 16870), (6730, 13496), (6748, 13460), (8435, 10768), (9422, 9640)]