123080920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{691}}^1$

素因数の和:836

約数の個数: 64

約数和(自身を含む): 285740640

約数和(自身を除く): 162659720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 73, 122, 146, 244, 292, 305, 365, 488, 584, 610, 691, 730, 1220, 1382, 1460, 2440, 2764, 2920, 3455, 4453, 5528, 6910, 8906, 13820, 17812, 22265, 27640, 35624, 42151, 44530, 50443, 84302, 89060, 100886, 168604, 178120, 201772, 210755, 252215, 337208, 403544, 421510, 504430, 843020, 1008860, 1686040, 2017720, 3077023, 6154046, 12308092, 15385115, 24616184, 30770230, 61540460, 123080920]

約数ペア:

[(1, 123080920), (2, 61540460), (4, 30770230), (5, 24616184), (8, 15385115), (10, 12308092), (20, 6154046), (40, 3077023), (61, 2017720), (73, 1686040), (122, 1008860), (146, 843020), (244, 504430), (292, 421510), (305, 403544), (365, 337208), (488, 252215), (584, 210755), (610, 201772), (691, 178120), (730, 168604), (1220, 100886), (1382, 89060), (1460, 84302), (2440, 50443), (2764, 44530), (2920, 42151), (3455, 35624), (4453, 27640), (5528, 22265), (6910, 17812), (8906, 13820)]