206081680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1607}}^1$

素因数の和:1856

約数の個数: 80

約数和(自身を含む): 550321920

約数和(自身を除く): 344240240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 229, 280, 458, 560, 916, 1145, 1603, 1607, 1832, 2290, 3206, 3214, 3664, 4580, 6412, 6428, 8015, 8035, 9160, 11249, 12824, 12856, 16030, 16070, 18320, 22498, 25648, 25712, 32060, 32140, 44996, 56245, 64120, 64280, 89992, 112490, 128240, 128560, 179984, 224980, 368003, 449960, 736006, 899920, 1472012, 1840015, 2576021, 2944024, 3680030, 5152042, 5888048, 7360060, 10304084, 12880105, 14720120, 20608168, 25760210, 29440240, 41216336, 51520420, 103040840, 206081680]

約数ペア:

[(1, 206081680), (2, 103040840), (4, 51520420), (5, 41216336), (7, 29440240), (8, 25760210), (10, 20608168), (14, 14720120), (16, 12880105), (20, 10304084), (28, 7360060), (35, 5888048), (40, 5152042), (56, 3680030), (70, 2944024), (80, 2576021), (112, 1840015), (140, 1472012), (229, 899920), (280, 736006), (458, 449960), (560, 368003), (916, 224980), (1145, 179984), (1603, 128560), (1607, 128240), (1832, 112490), (2290, 89992), (3206, 64280), (3214, 64120), (3664, 56245), (4580, 44996), (6412, 32140), (6428, 32060), (8015, 25712), (8035, 25648), (9160, 22498), (11249, 18320), (12824, 16070), (12856, 16030)]