123780000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{2063}}^1$

素因数の和:2096

約数の個数: 120

約数和(自身を含む): 406219968

約数和(自身を除く): 282439968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 625, 750, 800, 1000, 1200, 1250, 1500, 1875, 2000, 2063, 2400, 2500, 3000, 3750, 4000, 4126, 5000, 6000, 6189, 7500, 8252, 10000, 10315, 12000, 12378, 15000, 16504, 20000, 20630, 24756, 30000, 30945, 33008, 41260, 49512, 51575, 60000, 61890, 66016, 82520, 99024, 103150, 123780, 154725, 165040, 198048, 206300, 247560, 257875, 309450, 330080, 412600, 495120, 515750, 618900, 773625, 825200, 990240, 1031500, 1237800, 1289375, 1547250, 1650400, 2063000, 2475600, 2578750, 3094500, 3868125, 4126000, 4951200, 5157500, 6189000, 7736250, 8252000, 10315000, 12378000, 15472500, 20630000, 24756000, 30945000, 41260000, 61890000, 123780000]

約数ペア:

[(1, 123780000), (2, 61890000), (3, 41260000), (4, 30945000), (5, 24756000), (6, 20630000), (8, 15472500), (10, 12378000), (12, 10315000), (15, 8252000), (16, 7736250), (20, 6189000), (24, 5157500), (25, 4951200), (30, 4126000), (32, 3868125), (40, 3094500), (48, 2578750), (50, 2475600), (60, 2063000), (75, 1650400), (80, 1547250), (96, 1289375), (100, 1237800), (120, 1031500), (125, 990240), (150, 825200), (160, 773625), (200, 618900), (240, 515750), (250, 495120), (300, 412600), (375, 330080), (400, 309450), (480, 257875), (500, 247560), (600, 206300), (625, 198048), (750, 165040), (800, 154725), (1000, 123780), (1200, 103150), (1250, 99024), (1500, 82520), (1875, 66016), (2000, 61890), (2063, 60000), (2400, 51575), (2500, 49512), (3000, 41260), (3750, 33008), (4000, 30945), (4126, 30000), (5000, 24756), (6000, 20630), (6189, 20000), (7500, 16504), (8252, 15000), (10000, 12378), (10315, 12000)]