217464240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{129443}}^1$

素因数の和:129466

約数の個数: 80

約数和(自身を含む): 770450688

約数和(自身を除く): 552986448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 129443, 258886, 388329, 517772, 647215, 776658, 906101, 1035544, 1294430, 1553316, 1812202, 1941645, 2071088, 2588860, 2718303, 3106632, 3624404, 3883290, 4530505, 5177720, 5436606, 6213264, 7248808, 7766580, 9061010, 10355440, 10873212, 13591515, 14497616, 15533160, 18122020, 21746424, 27183030, 31066320, 36244040, 43492848, 54366060, 72488080, 108732120, 217464240]

約数ペア:

[(1, 217464240), (2, 108732120), (3, 72488080), (4, 54366060), (5, 43492848), (6, 36244040), (7, 31066320), (8, 27183030), (10, 21746424), (12, 18122020), (14, 15533160), (15, 14497616), (16, 13591515), (20, 10873212), (21, 10355440), (24, 9061010), (28, 7766580), (30, 7248808), (35, 6213264), (40, 5436606), (42, 5177720), (48, 4530505), (56, 3883290), (60, 3624404), (70, 3106632), (80, 2718303), (84, 2588860), (105, 2071088), (112, 1941645), (120, 1812202), (140, 1553316), (168, 1294430), (210, 1035544), (240, 906101), (280, 776658), (336, 647215), (420, 517772), (560, 388329), (840, 258886), (1680, 129443)]