64943970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23789}}^1$

素因数の和:23819

約数の個数: 64

約数和(自身を含む): 191842560

約数和(自身を除く): 126898590

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 23789, 47578, 71367, 118945, 142734, 166523, 237890, 309257, 333046, 356835, 499569, 618514, 713670, 832615, 927771, 999138, 1546285, 1665230, 1855542, 2164799, 2497845, 3092570, 4329598, 4638855, 4995690, 6494397, 9277710, 10823995, 12988794, 21647990, 32471985, 64943970]

約数ペア:

[(1, 64943970), (2, 32471985), (3, 21647990), (5, 12988794), (6, 10823995), (7, 9277710), (10, 6494397), (13, 4995690), (14, 4638855), (15, 4329598), (21, 3092570), (26, 2497845), (30, 2164799), (35, 1855542), (39, 1665230), (42, 1546285), (65, 999138), (70, 927771), (78, 832615), (91, 713670), (105, 618514), (130, 499569), (182, 356835), (195, 333046), (210, 309257), (273, 237890), (390, 166523), (455, 142734), (546, 118945), (910, 71367), (1365, 47578), (2730, 23789)]