1520822025

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{647}}^1$

素因数の和:1031

約数の個数: 72

約数和(自身を含む): 2824533504

約数和(自身を除く): 1303711479

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 337, 465, 647, 775, 1011, 1395, 1685, 1941, 2325, 3033, 3235, 5055, 5823, 6975, 8425, 9705, 10447, 15165, 16175, 20057, 25275, 29115, 31341, 48525, 52235, 60171, 75825, 94023, 100285, 145575, 156705, 180513, 218039, 261175, 300855, 470115, 501425, 654117, 783525, 902565, 1090195, 1504275, 1962351, 2350575, 3270585, 4512825, 5450975, 6759209, 9811755, 16352925, 20277627, 33796045, 49058775, 60832881, 101388135, 168980225, 304164405, 506940675, 1520822025]

約数ペア:

[(1, 1520822025), (3, 506940675), (5, 304164405), (9, 168980225), (15, 101388135), (25, 60832881), (31, 49058775), (45, 33796045), (75, 20277627), (93, 16352925), (155, 9811755), (225, 6759209), (279, 5450975), (337, 4512825), (465, 3270585), (647, 2350575), (775, 1962351), (1011, 1504275), (1395, 1090195), (1685, 902565), (1941, 783525), (2325, 654117), (3033, 501425), (3235, 470115), (5055, 300855), (5823, 261175), (6975, 218039), (8425, 180513), (9705, 156705), (10447, 145575), (15165, 100285), (16175, 94023), (20057, 75825), (25275, 60171), (29115, 52235), (31341, 48525)]