317115920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2083}}^1$

素因数の和:2280

約数の個数: 80

約数和(自身を含む): 809358912

約数和(自身を除く): 492242992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 173, 176, 220, 346, 440, 692, 865, 880, 1384, 1730, 1903, 2083, 2768, 3460, 3806, 4166, 6920, 7612, 8332, 9515, 10415, 13840, 15224, 16664, 19030, 20830, 22913, 30448, 33328, 38060, 41660, 45826, 76120, 83320, 91652, 114565, 152240, 166640, 183304, 229130, 360359, 366608, 458260, 720718, 916520, 1441436, 1801795, 1833040, 2882872, 3603590, 3963949, 5765744, 7207180, 7927898, 14414360, 15855796, 19819745, 28828720, 31711592, 39639490, 63423184, 79278980, 158557960, 317115920]

約数ペア:

[(1, 317115920), (2, 158557960), (4, 79278980), (5, 63423184), (8, 39639490), (10, 31711592), (11, 28828720), (16, 19819745), (20, 15855796), (22, 14414360), (40, 7927898), (44, 7207180), (55, 5765744), (80, 3963949), (88, 3603590), (110, 2882872), (173, 1833040), (176, 1801795), (220, 1441436), (346, 916520), (440, 720718), (692, 458260), (865, 366608), (880, 360359), (1384, 229130), (1730, 183304), (1903, 166640), (2083, 152240), (2768, 114565), (3460, 91652), (3806, 83320), (4166, 76120), (6920, 45826), (7612, 41660), (8332, 38060), (9515, 33328), (10415, 30448), (13840, 22913), (15224, 20830), (16664, 19030)]