217827960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1229}}^1$

素因数の和:1461

約数の個数: 128

約数和(自身を含む): 750988800

約数和(自身を除く): 533160840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 211, 280, 420, 422, 633, 840, 844, 1055, 1229, 1266, 1477, 1688, 2110, 2458, 2532, 2954, 3165, 3687, 4220, 4431, 4916, 5064, 5908, 6145, 6330, 7374, 7385, 8440, 8603, 8862, 9832, 11816, 12290, 12660, 14748, 14770, 17206, 17724, 18435, 22155, 24580, 25320, 25809, 29496, 29540, 34412, 35448, 36870, 43015, 44310, 49160, 51618, 59080, 68824, 73740, 86030, 88620, 103236, 129045, 147480, 172060, 177240, 206472, 258090, 259319, 344120, 516180, 518638, 777957, 1032360, 1037276, 1296595, 1555914, 1815233, 2074552, 2593190, 3111828, 3630466, 3889785, 5186380, 5445699, 6223656, 7260932, 7779570, 9076165, 10372760, 10891398, 14521864, 15559140, 18152330, 21782796, 27228495, 31118280, 36304660, 43565592, 54456990, 72609320, 108913980, 217827960]

約数ペア:

[(1, 217827960), (2, 108913980), (3, 72609320), (4, 54456990), (5, 43565592), (6, 36304660), (7, 31118280), (8, 27228495), (10, 21782796), (12, 18152330), (14, 15559140), (15, 14521864), (20, 10891398), (21, 10372760), (24, 9076165), (28, 7779570), (30, 7260932), (35, 6223656), (40, 5445699), (42, 5186380), (56, 3889785), (60, 3630466), (70, 3111828), (84, 2593190), (105, 2074552), (120, 1815233), (140, 1555914), (168, 1296595), (210, 1037276), (211, 1032360), (280, 777957), (420, 518638), (422, 516180), (633, 344120), (840, 259319), (844, 258090), (1055, 206472), (1229, 177240), (1266, 172060), (1477, 147480), (1688, 129045), (2110, 103236), (2458, 88620), (2532, 86030), (2954, 73740), (3165, 68824), (3687, 59080), (4220, 51618), (4431, 49160), (4916, 44310), (5064, 43015), (5908, 36870), (6145, 35448), (6330, 34412), (7374, 29540), (7385, 29496), (8440, 25809), (8603, 25320), (8862, 24580), (9832, 22155), (11816, 18435), (12290, 17724), (12660, 17206), (14748, 14770)]