81465230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{439}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 183997440

約数和(自身を除く): 102532210

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 241, 385, 439, 482, 770, 878, 1205, 1687, 2195, 2410, 2651, 3073, 3374, 4390, 4829, 5302, 6146, 8435, 9658, 13255, 15365, 16870, 18557, 24145, 26510, 30730, 33803, 37114, 48290, 67606, 92785, 105799, 169015, 185570, 211598, 338030, 528995, 740593, 1057990, 1163789, 1481186, 2327578, 3702965, 5818945, 7405930, 8146523, 11637890, 16293046, 40732615, 81465230]

約数ペア:

[(1, 81465230), (2, 40732615), (5, 16293046), (7, 11637890), (10, 8146523), (11, 7405930), (14, 5818945), (22, 3702965), (35, 2327578), (55, 1481186), (70, 1163789), (77, 1057990), (110, 740593), (154, 528995), (241, 338030), (385, 211598), (439, 185570), (482, 169015), (770, 105799), (878, 92785), (1205, 67606), (1687, 48290), (2195, 37114), (2410, 33803), (2651, 30730), (3073, 26510), (3374, 24145), (4390, 18557), (4829, 16870), (5302, 15365), (6146, 13255), (8435, 9658)]