68748810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{431}}^1$

素因数の和:863

約数の個数: 64

約数和(自身を含む): 178536960

約数和(自身を除く): 109788150

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 409, 431, 818, 862, 1227, 1293, 2045, 2155, 2454, 2586, 4090, 4310, 5317, 5603, 6135, 6465, 10634, 11206, 12270, 12930, 15951, 16809, 26585, 28015, 31902, 33618, 53170, 56030, 79755, 84045, 159510, 168090, 176279, 352558, 528837, 881395, 1057674, 1762790, 2291627, 2644185, 4583254, 5288370, 6874881, 11458135, 13749762, 22916270, 34374405, 68748810]

約数ペア:

[(1, 68748810), (2, 34374405), (3, 22916270), (5, 13749762), (6, 11458135), (10, 6874881), (13, 5288370), (15, 4583254), (26, 2644185), (30, 2291627), (39, 1762790), (65, 1057674), (78, 881395), (130, 528837), (195, 352558), (390, 176279), (409, 168090), (431, 159510), (818, 84045), (862, 79755), (1227, 56030), (1293, 53170), (2045, 33618), (2155, 31902), (2454, 28015), (2586, 26585), (4090, 16809), (4310, 15951), (5317, 12930), (5603, 12270), (6135, 11206), (6465, 10634)]