68511680

素因数分解:

$2^6\times 5^1\times {\mathrm{347}}^1\times {\mathrm{617}}^1$

素因数の和:981

約数の個数: 56

約数和(自身を含む): 163878768

約数和(自身を除く): 95367088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 347, 617, 694, 1234, 1388, 1735, 2468, 2776, 3085, 3470, 4936, 5552, 6170, 6940, 9872, 11104, 12340, 13880, 19744, 22208, 24680, 27760, 39488, 49360, 55520, 98720, 111040, 197440, 214099, 428198, 856396, 1070495, 1712792, 2140990, 3425584, 4281980, 6851168, 8563960, 13702336, 17127920, 34255840, 68511680]

約数ペア:

[(1, 68511680), (2, 34255840), (4, 17127920), (5, 13702336), (8, 8563960), (10, 6851168), (16, 4281980), (20, 3425584), (32, 2140990), (40, 1712792), (64, 1070495), (80, 856396), (160, 428198), (320, 214099), (347, 197440), (617, 111040), (694, 98720), (1234, 55520), (1388, 49360), (1735, 39488), (2468, 27760), (2776, 24680), (3085, 22208), (3470, 19744), (4936, 13880), (5552, 12340), (6170, 11104), (6940, 9872)]