2128620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2729}}^1$

素因数の和:2754

約数の個数: 48

約数和(自身を含む): 6420960

約数和(自身を除く): 4292340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2729, 5458, 8187, 10916, 13645, 16374, 27290, 32748, 35477, 40935, 54580, 70954, 81870, 106431, 141908, 163740, 177385, 212862, 354770, 425724, 532155, 709540, 1064310, 2128620]

約数ペア:

[(1, 2128620), (2, 1064310), (3, 709540), (4, 532155), (5, 425724), (6, 354770), (10, 212862), (12, 177385), (13, 163740), (15, 141908), (20, 106431), (26, 81870), (30, 70954), (39, 54580), (52, 40935), (60, 35477), (65, 32748), (78, 27290), (130, 16374), (156, 13645), (195, 10916), (260, 8187), (390, 5458), (780, 2729)]