81561632544

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{40457159}}^1$

素因数の和:40457182

約数の個数: 72

約数和(自身を含む): 265075312320

約数和(自身を除く): 183513679776

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 40457159, 80914318, 121371477, 161828636, 242742954, 283200113, 323657272, 364114431, 485485908, 566400226, 647314544, 728228862, 849600339, 970971816, 1132800452, 1294629088, 1456457724, 1699200678, 1941943632, 2265600904, 2548801017, 2912915448, 3398401356, 3883887264, 4531201808, 5097602034, 5825830896, 6796802712, 9062403616, 10195204068, 11651661792, 13593605424, 20390408136, 27187210848, 40780816272, 81561632544]

約数ペア:

[(1, 81561632544), (2, 40780816272), (3, 27187210848), (4, 20390408136), (6, 13593605424), (7, 11651661792), (8, 10195204068), (9, 9062403616), (12, 6796802712), (14, 5825830896), (16, 5097602034), (18, 4531201808), (21, 3883887264), (24, 3398401356), (28, 2912915448), (32, 2548801017), (36, 2265600904), (42, 1941943632), (48, 1699200678), (56, 1456457724), (63, 1294629088), (72, 1132800452), (84, 970971816), (96, 849600339), (112, 728228862), (126, 647314544), (144, 566400226), (168, 485485908), (224, 364114431), (252, 323657272), (288, 283200113), (336, 242742954), (504, 161828636), (672, 121371477), (1008, 80914318), (2016, 40457159)]