80277990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4787}}^1$

素因数の和:4853

約数の個数: 64

約数和(自身を含む): 212357376

約数和(自身を除く): 132079386

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 2795, 3354, 4787, 5590, 8385, 9574, 14361, 16770, 23935, 28722, 47870, 62231, 71805, 124462, 143610, 186693, 205841, 311155, 373386, 411682, 617523, 622310, 933465, 1029205, 1235046, 1866930, 2058410, 2675933, 3087615, 5351866, 6175230, 8027799, 13379665, 16055598, 26759330, 40138995, 80277990]

約数ペア:

[(1, 80277990), (2, 40138995), (3, 26759330), (5, 16055598), (6, 13379665), (10, 8027799), (13, 6175230), (15, 5351866), (26, 3087615), (30, 2675933), (39, 2058410), (43, 1866930), (65, 1235046), (78, 1029205), (86, 933465), (129, 622310), (130, 617523), (195, 411682), (215, 373386), (258, 311155), (390, 205841), (430, 186693), (559, 143610), (645, 124462), (1118, 71805), (1290, 62231), (1677, 47870), (2795, 28722), (3354, 23935), (4787, 16770), (5590, 14361), (8385, 9574)]