258236720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3631}}^1$

素因数の和:3778

約数の個数: 80

約数和(自身を含む): 691765248

約数和(自身を除く): 433528528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1778, 2032, 2540, 3556, 3631, 4445, 5080, 7112, 7262, 8890, 10160, 14224, 14524, 17780, 18155, 25417, 29048, 35560, 36310, 50834, 58096, 71120, 72620, 101668, 127085, 145240, 203336, 254170, 290480, 406672, 461137, 508340, 922274, 1016680, 1844548, 2033360, 2305685, 3227959, 3689096, 4611370, 6455918, 7378192, 9222740, 12911836, 16139795, 18445480, 25823672, 32279590, 36890960, 51647344, 64559180, 129118360, 258236720]

約数ペア:

[(1, 258236720), (2, 129118360), (4, 64559180), (5, 51647344), (7, 36890960), (8, 32279590), (10, 25823672), (14, 18445480), (16, 16139795), (20, 12911836), (28, 9222740), (35, 7378192), (40, 6455918), (56, 4611370), (70, 3689096), (80, 3227959), (112, 2305685), (127, 2033360), (140, 1844548), (254, 1016680), (280, 922274), (508, 508340), (560, 461137), (635, 406672), (889, 290480), (1016, 254170), (1270, 203336), (1778, 145240), (2032, 127085), (2540, 101668), (3556, 72620), (3631, 71120), (4445, 58096), (5080, 50834), (7112, 36310), (7262, 35560), (8890, 29048), (10160, 25417), (14224, 18155), (14524, 17780)]