65089620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{839}}^1$

素因数の和:1285

約数の個数: 72

約数和(自身を含む): 198132480

約数和(自身を除く): 133042860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431, 839, 862, 1293, 1678, 1724, 2155, 2517, 2586, 3356, 3879, 4195, 4310, 5034, 5172, 6465, 7551, 7758, 8390, 8620, 10068, 12585, 12930, 15102, 15516, 16780, 19395, 25170, 25860, 30204, 37755, 38790, 50340, 75510, 77580, 151020, 361609, 723218, 1084827, 1446436, 1808045, 2169654, 3254481, 3616090, 4339308, 5424135, 6508962, 7232180, 10848270, 13017924, 16272405, 21696540, 32544810, 65089620]

約数ペア:

[(1, 65089620), (2, 32544810), (3, 21696540), (4, 16272405), (5, 13017924), (6, 10848270), (9, 7232180), (10, 6508962), (12, 5424135), (15, 4339308), (18, 3616090), (20, 3254481), (30, 2169654), (36, 1808045), (45, 1446436), (60, 1084827), (90, 723218), (180, 361609), (431, 151020), (839, 77580), (862, 75510), (1293, 50340), (1678, 38790), (1724, 37755), (2155, 30204), (2517, 25860), (2586, 25170), (3356, 19395), (3879, 16780), (4195, 15516), (4310, 15102), (5034, 12930), (5172, 12585), (6465, 10068), (7551, 8620), (7758, 8390)]