2145990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{929}}^1$

素因数の和:957

約数の個数: 64

約数和(自身を含む): 6428160

約数和(自身を除く): 4282170

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 330, 385, 462, 770, 929, 1155, 1858, 2310, 2787, 4645, 5574, 6503, 9290, 10219, 13006, 13935, 19509, 20438, 27870, 30657, 32515, 39018, 51095, 61314, 65030, 71533, 97545, 102190, 143066, 153285, 195090, 214599, 306570, 357665, 429198, 715330, 1072995, 2145990]

約数ペア:

[(1, 2145990), (2, 1072995), (3, 715330), (5, 429198), (6, 357665), (7, 306570), (10, 214599), (11, 195090), (14, 153285), (15, 143066), (21, 102190), (22, 97545), (30, 71533), (33, 65030), (35, 61314), (42, 51095), (55, 39018), (66, 32515), (70, 30657), (77, 27870), (105, 20438), (110, 19509), (154, 13935), (165, 13006), (210, 10219), (231, 9290), (330, 6503), (385, 5574), (462, 4645), (770, 2787), (929, 2310), (1155, 1858)]