1561036015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:992

約数の個数: 64

約数和(自身を含む): 2405698560

約数和(自身を除く): 844662545

約数列:

[1, 5, 7, 11, 35, 55, 67, 73, 77, 335, 365, 385, 469, 511, 737, 803, 829, 2345, 2555, 3685, 4015, 4145, 4891, 5159, 5621, 5803, 9119, 24455, 25795, 28105, 29015, 34237, 45595, 53801, 55543, 60517, 63833, 171185, 269005, 277715, 302585, 319165, 376607, 388801, 423619, 610973, 665687, 1883035, 1944005, 2118095, 3054865, 3328435, 4054639, 4276811, 4659809, 20273195, 21384055, 23299045, 28382473, 44601029, 141912365, 223005145, 312207203, 1561036015]

約数ペア:

[(1, 1561036015), (5, 312207203), (7, 223005145), (11, 141912365), (35, 44601029), (55, 28382473), (67, 23299045), (73, 21384055), (77, 20273195), (335, 4659809), (365, 4276811), (385, 4054639), (469, 3328435), (511, 3054865), (737, 2118095), (803, 1944005), (829, 1883035), (2345, 665687), (2555, 610973), (3685, 423619), (4015, 388801), (4145, 376607), (4891, 319165), (5159, 302585), (5621, 277715), (5803, 269005), (9119, 171185), (24455, 63833), (25795, 60517), (28105, 55543), (29015, 53801), (34237, 45595)]