256870920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2140591}}^1$

素因数の和:2140605

約数の個数: 32

約数和(自身を含む): 770613120

約数和(自身を除く): 513742200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2140591, 4281182, 6421773, 8562364, 10702955, 12843546, 17124728, 21405910, 25687092, 32108865, 42811820, 51374184, 64217730, 85623640, 128435460, 256870920]

約数ペア:

[(1, 256870920), (2, 128435460), (3, 85623640), (4, 64217730), (5, 51374184), (6, 42811820), (8, 32108865), (10, 25687092), (12, 21405910), (15, 17124728), (20, 12843546), (24, 10702955), (30, 8562364), (40, 6421773), (60, 4281182), (120, 2140591)]