68137615

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 111476736

約数和(自身を除く): 43339121

約数列:

[1, 5, 7, 13, 17, 23, 35, 65, 85, 91, 115, 119, 161, 221, 299, 383, 391, 455, 595, 805, 1105, 1495, 1547, 1915, 1955, 2093, 2681, 2737, 4979, 5083, 6511, 7735, 8809, 10465, 13405, 13685, 24895, 25415, 32555, 34853, 35581, 44045, 45577, 61663, 84643, 114517, 149753, 174265, 177905, 227885, 308315, 423215, 572585, 592501, 748765, 801619, 1048271, 1946789, 2962505, 4008095, 5241355, 9733945, 13627523, 68137615]

約数ペア:

[(1, 68137615), (5, 13627523), (7, 9733945), (13, 5241355), (17, 4008095), (23, 2962505), (35, 1946789), (65, 1048271), (85, 801619), (91, 748765), (115, 592501), (119, 572585), (161, 423215), (221, 308315), (299, 227885), (383, 177905), (391, 174265), (455, 149753), (595, 114517), (805, 84643), (1105, 61663), (1495, 45577), (1547, 44045), (1915, 35581), (1955, 34853), (2093, 32555), (2681, 25415), (2737, 24895), (4979, 13685), (5083, 13405), (6511, 10465), (7735, 8809)]