28726380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53197}}^1$

素因数の和:53215

約数の個数: 48

約数和(自身を含む): 89372640

約数和(自身を除く): 60646260

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, 53197, 106394, 159591, 212788, 265985, 319182, 478773, 531970, 638364, 797955, 957546, 1063940, 1436319, 1595910, 1915092, 2393865, 2872638, 3191820, 4787730, 5745276, 7181595, 9575460, 14363190, 28726380]

約数ペア:

[(1, 28726380), (2, 14363190), (3, 9575460), (4, 7181595), (5, 5745276), (6, 4787730), (9, 3191820), (10, 2872638), (12, 2393865), (15, 1915092), (18, 1595910), (20, 1436319), (27, 1063940), (30, 957546), (36, 797955), (45, 638364), (54, 531970), (60, 478773), (90, 319182), (108, 265985), (135, 212788), (180, 159591), (270, 106394), (540, 53197)]