71871680

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11821}}^1$

素因数の和:11857

約数の個数: 56

約数和(自身を含む): 180167280

約数和(自身を除く): 108295600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 11821, 23642, 47284, 59105, 94568, 118210, 189136, 224599, 236420, 378272, 449198, 472840, 756544, 898396, 945680, 1122995, 1796792, 1891360, 2245990, 3593584, 3782720, 4491980, 7187168, 8983960, 14374336, 17967920, 35935840, 71871680]

約数ペア:

[(1, 71871680), (2, 35935840), (4, 17967920), (5, 14374336), (8, 8983960), (10, 7187168), (16, 4491980), (19, 3782720), (20, 3593584), (32, 2245990), (38, 1891360), (40, 1796792), (64, 1122995), (76, 945680), (80, 898396), (95, 756544), (152, 472840), (160, 449198), (190, 378272), (304, 236420), (320, 224599), (380, 189136), (608, 118210), (760, 94568), (1216, 59105), (1520, 47284), (3040, 23642), (6080, 11821)]