1520222060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{379}}^1\times {\mathrm{4093}}^1$

素因数の和:4495

約数の個数: 72

約数和(自身を含む): 3724393680

約数和(自身を除く): 2204171620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 379, 490, 758, 980, 1516, 1895, 2653, 3790, 4093, 5306, 7580, 8186, 10612, 13265, 16372, 18571, 20465, 26530, 28651, 37142, 40930, 53060, 57302, 74284, 81860, 92855, 114604, 143255, 185710, 200557, 286510, 371420, 401114, 573020, 802228, 1002785, 1551247, 2005570, 3102494, 4011140, 6204988, 7756235, 10858729, 15512470, 21717458, 31024940, 43434916, 54293645, 76011103, 108587290, 152022206, 217174580, 304044412, 380055515, 760111030, 1520222060]

約数ペア:

[(1, 1520222060), (2, 760111030), (4, 380055515), (5, 304044412), (7, 217174580), (10, 152022206), (14, 108587290), (20, 76011103), (28, 54293645), (35, 43434916), (49, 31024940), (70, 21717458), (98, 15512470), (140, 10858729), (196, 7756235), (245, 6204988), (379, 4011140), (490, 3102494), (758, 2005570), (980, 1551247), (1516, 1002785), (1895, 802228), (2653, 573020), (3790, 401114), (4093, 371420), (5306, 286510), (7580, 200557), (8186, 185710), (10612, 143255), (13265, 114604), (16372, 92855), (18571, 81860), (20465, 74284), (26530, 57302), (28651, 53060), (37142, 40930)]