272209520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1709}}^1$

素因数の和:1914

約数の個数: 80

約数和(自身を含む): 694643040

約数和(自身を除く): 422433520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 181, 220, 362, 440, 724, 880, 905, 1448, 1709, 1810, 1991, 2896, 3418, 3620, 3982, 6836, 7240, 7964, 8545, 9955, 13672, 14480, 15928, 17090, 18799, 19910, 27344, 31856, 34180, 37598, 39820, 68360, 75196, 79640, 93995, 136720, 150392, 159280, 187990, 300784, 309329, 375980, 618658, 751960, 1237316, 1503920, 1546645, 2474632, 3093290, 3402619, 4949264, 6186580, 6805238, 12373160, 13610476, 17013095, 24746320, 27220952, 34026190, 54441904, 68052380, 136104760, 272209520]

約数ペア:

[(1, 272209520), (2, 136104760), (4, 68052380), (5, 54441904), (8, 34026190), (10, 27220952), (11, 24746320), (16, 17013095), (20, 13610476), (22, 12373160), (40, 6805238), (44, 6186580), (55, 4949264), (80, 3402619), (88, 3093290), (110, 2474632), (176, 1546645), (181, 1503920), (220, 1237316), (362, 751960), (440, 618658), (724, 375980), (880, 309329), (905, 300784), (1448, 187990), (1709, 159280), (1810, 150392), (1991, 136720), (2896, 93995), (3418, 79640), (3620, 75196), (3982, 68360), (6836, 39820), (7240, 37598), (7964, 34180), (8545, 31856), (9955, 27344), (13672, 19910), (14480, 18799), (15928, 17090)]