67388480

素因数分解:

$2^6\times 5^1\times {\mathrm{251}}^1\times {\mathrm{839}}^1$

素因数の和:1107

約数の個数: 56

約数和(自身を含む): 161300160

約数和(自身を除く): 93911680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 251, 320, 502, 839, 1004, 1255, 1678, 2008, 2510, 3356, 4016, 4195, 5020, 6712, 8032, 8390, 10040, 13424, 16064, 16780, 20080, 26848, 33560, 40160, 53696, 67120, 80320, 134240, 210589, 268480, 421178, 842356, 1052945, 1684712, 2105890, 3369424, 4211780, 6738848, 8423560, 13477696, 16847120, 33694240, 67388480]

約数ペア:

[(1, 67388480), (2, 33694240), (4, 16847120), (5, 13477696), (8, 8423560), (10, 6738848), (16, 4211780), (20, 3369424), (32, 2105890), (40, 1684712), (64, 1052945), (80, 842356), (160, 421178), (251, 268480), (320, 210589), (502, 134240), (839, 80320), (1004, 67120), (1255, 53696), (1678, 40160), (2008, 33560), (2510, 26848), (3356, 20080), (4016, 16780), (4195, 16064), (5020, 13424), (6712, 10040), (8032, 8390)]