2690220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3449}}^1$

素因数の和:3474

約数の個数: 48

約数和(自身を含む): 8114400

約数和(自身を除く): 5424180

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, 3449, 6898, 10347, 13796, 17245, 20694, 34490, 41388, 44837, 51735, 68980, 89674, 103470, 134511, 179348, 206940, 224185, 269022, 448370, 538044, 672555, 896740, 1345110, 2690220]

約数ペア:

[(1, 2690220), (2, 1345110), (3, 896740), (4, 672555), (5, 538044), (6, 448370), (10, 269022), (12, 224185), (13, 206940), (15, 179348), (20, 134511), (26, 103470), (30, 89674), (39, 68980), (52, 51735), (60, 44837), (65, 41388), (78, 34490), (130, 20694), (156, 17245), (195, 13796), (260, 10347), (390, 6898), (780, 3449)]