15638940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{28961}}^1$

素因数の和:28979

約数の個数: 48

約数和(自身を含む): 48656160

約数和(自身を除く): 33017220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 28961, 57922, 86883, 115844, 144805, 173766, 260649, 289610, 347532, 434415, 521298, 579220, 781947, 868830, 1042596, 1303245, 1563894, 1737660, 2606490, 3127788, 3909735, 5212980, 7819470, 15638940]

約数ペア:

[(1, 15638940), (2, 7819470), (3, 5212980), (4, 3909735), (5, 3127788), (6, 2606490), (9, 1737660), (10, 1563894), (12, 1303245), (15, 1042596), (18, 868830), (20, 781947), (27, 579220), (30, 521298), (36, 434415), (45, 347532), (54, 289610), (60, 260649), (90, 173766), (108, 144805), (135, 115844), (180, 86883), (270, 57922), (540, 28961)]