201680115

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2081}}^1$

素因数の和:2180

約数の個数: 64

約数和(自身を含む): 402941952

約数和(自身を除く): 201261837

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 71, 91, 105, 195, 213, 273, 355, 455, 497, 923, 1065, 1365, 1491, 2081, 2485, 2769, 4615, 6243, 6461, 7455, 10405, 13845, 14567, 19383, 27053, 31215, 32305, 43701, 72835, 81159, 96915, 135265, 147751, 189371, 218505, 405795, 443253, 568113, 738755, 946855, 1034257, 1920763, 2216265, 2840565, 3102771, 5171285, 5762289, 9603815, 13445341, 15513855, 28811445, 40336023, 67226705, 201680115]

約数ペア:

[(1, 201680115), (3, 67226705), (5, 40336023), (7, 28811445), (13, 15513855), (15, 13445341), (21, 9603815), (35, 5762289), (39, 5171285), (65, 3102771), (71, 2840565), (91, 2216265), (105, 1920763), (195, 1034257), (213, 946855), (273, 738755), (355, 568113), (455, 443253), (497, 405795), (923, 218505), (1065, 189371), (1365, 147751), (1491, 135265), (2081, 96915), (2485, 81159), (2769, 72835), (4615, 43701), (6243, 32305), (6461, 31215), (7455, 27053), (10405, 19383), (13845, 14567)]