2630940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3373}}^1$

素因数の和:3398

約数の個数: 48

約数和(自身を含む): 7935648

約数和(自身を除く): 5304708

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, 3373, 6746, 10119, 13492, 16865, 20238, 33730, 40476, 43849, 50595, 67460, 87698, 101190, 131547, 175396, 202380, 219245, 263094, 438490, 526188, 657735, 876980, 1315470, 2630940]

約数ペア:

[(1, 2630940), (2, 1315470), (3, 876980), (4, 657735), (5, 526188), (6, 438490), (10, 263094), (12, 219245), (13, 202380), (15, 175396), (20, 131547), (26, 101190), (30, 87698), (39, 67460), (52, 50595), (60, 43849), (65, 40476), (78, 33730), (130, 20238), (156, 16865), (195, 13492), (260, 10119), (390, 6746), (780, 3373)]