80959500

素因数分解:

$2^2\times 3^4\times 5^3\times {\mathrm{1999}}^1$

素因数の和:2030

約数の個数: 120

約数和(自身を含む): 264264000

約数和(自身を除く): 183304500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 135, 150, 162, 180, 225, 250, 270, 300, 324, 375, 405, 450, 500, 540, 675, 750, 810, 900, 1125, 1350, 1500, 1620, 1999, 2025, 2250, 2700, 3375, 3998, 4050, 4500, 5997, 6750, 7996, 8100, 9995, 10125, 11994, 13500, 17991, 19990, 20250, 23988, 29985, 35982, 39980, 40500, 49975, 53973, 59970, 71964, 89955, 99950, 107946, 119940, 149925, 161919, 179910, 199900, 215892, 249875, 269865, 299850, 323838, 359820, 449775, 499750, 539730, 599700, 647676, 749625, 809595, 899550, 999500, 1079460, 1349325, 1499250, 1619190, 1799100, 2248875, 2698650, 2998500, 3238380, 4047975, 4497750, 5397300, 6746625, 8095950, 8995500, 13493250, 16191900, 20239875, 26986500, 40479750, 80959500]

約数ペア:

[(1, 80959500), (2, 40479750), (3, 26986500), (4, 20239875), (5, 16191900), (6, 13493250), (9, 8995500), (10, 8095950), (12, 6746625), (15, 5397300), (18, 4497750), (20, 4047975), (25, 3238380), (27, 2998500), (30, 2698650), (36, 2248875), (45, 1799100), (50, 1619190), (54, 1499250), (60, 1349325), (75, 1079460), (81, 999500), (90, 899550), (100, 809595), (108, 749625), (125, 647676), (135, 599700), (150, 539730), (162, 499750), (180, 449775), (225, 359820), (250, 323838), (270, 299850), (300, 269865), (324, 249875), (375, 215892), (405, 199900), (450, 179910), (500, 161919), (540, 149925), (675, 119940), (750, 107946), (810, 99950), (900, 89955), (1125, 71964), (1350, 59970), (1500, 53973), (1620, 49975), (1999, 40500), (2025, 39980), (2250, 35982), (2700, 29985), (3375, 23988), (3998, 20250), (4050, 19990), (4500, 17991), (5997, 13500), (6750, 11994), (7996, 10125), (8100, 9995)]