121005280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{349}}^1$

素因数の和:572

約数の個数: 96

約数和(自身を含む): 314344800

約数和(自身を除く): 193339520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 197, 220, 349, 352, 394, 440, 698, 788, 880, 985, 1396, 1576, 1745, 1760, 1970, 2167, 2792, 3152, 3490, 3839, 3940, 4334, 5584, 6304, 6980, 7678, 7880, 8668, 10835, 11168, 13960, 15356, 15760, 17336, 19195, 21670, 27920, 30712, 31520, 34672, 38390, 43340, 55840, 61424, 68753, 69344, 76780, 86680, 122848, 137506, 153560, 173360, 275012, 307120, 343765, 346720, 550024, 614240, 687530, 756283, 1100048, 1375060, 1512566, 2200096, 2750120, 3025132, 3781415, 5500240, 6050264, 7562830, 11000480, 12100528, 15125660, 24201056, 30251320, 60502640, 121005280]

約数ペア:

[(1, 121005280), (2, 60502640), (4, 30251320), (5, 24201056), (8, 15125660), (10, 12100528), (11, 11000480), (16, 7562830), (20, 6050264), (22, 5500240), (32, 3781415), (40, 3025132), (44, 2750120), (55, 2200096), (80, 1512566), (88, 1375060), (110, 1100048), (160, 756283), (176, 687530), (197, 614240), (220, 550024), (349, 346720), (352, 343765), (394, 307120), (440, 275012), (698, 173360), (788, 153560), (880, 137506), (985, 122848), (1396, 86680), (1576, 76780), (1745, 69344), (1760, 68753), (1970, 61424), (2167, 55840), (2792, 43340), (3152, 38390), (3490, 34672), (3839, 31520), (3940, 30712), (4334, 27920), (5584, 21670), (6304, 19195), (6980, 17336), (7678, 15760), (7880, 15356), (8668, 13960), (10835, 11168)]