21589200

素因数分解:

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

素因数の和:2026

約数の個数: 120

約数和(自身を含む): 76880000

約数和(自身を除く): 55290800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 100, 108, 120, 135, 144, 150, 180, 200, 216, 225, 240, 270, 300, 360, 400, 432, 450, 540, 600, 675, 720, 900, 1080, 1200, 1350, 1800, 1999, 2160, 2700, 3600, 3998, 5400, 5997, 7996, 9995, 10800, 11994, 15992, 17991, 19990, 23988, 29985, 31984, 35982, 39980, 47976, 49975, 53973, 59970, 71964, 79960, 89955, 95952, 99950, 107946, 119940, 143928, 149925, 159920, 179910, 199900, 215892, 239880, 269865, 287856, 299850, 359820, 399800, 431784, 449775, 479760, 539730, 599700, 719640, 799600, 863568, 899550, 1079460, 1199400, 1349325, 1439280, 1799100, 2158920, 2398800, 2698650, 3598200, 4317840, 5397300, 7196400, 10794600, 21589200]

約数ペア:

[(1, 21589200), (2, 10794600), (3, 7196400), (4, 5397300), (5, 4317840), (6, 3598200), (8, 2698650), (9, 2398800), (10, 2158920), (12, 1799100), (15, 1439280), (16, 1349325), (18, 1199400), (20, 1079460), (24, 899550), (25, 863568), (27, 799600), (30, 719640), (36, 599700), (40, 539730), (45, 479760), (48, 449775), (50, 431784), (54, 399800), (60, 359820), (72, 299850), (75, 287856), (80, 269865), (90, 239880), (100, 215892), (108, 199900), (120, 179910), (135, 159920), (144, 149925), (150, 143928), (180, 119940), (200, 107946), (216, 99950), (225, 95952), (240, 89955), (270, 79960), (300, 71964), (360, 59970), (400, 53973), (432, 49975), (450, 47976), (540, 39980), (600, 35982), (675, 31984), (720, 29985), (900, 23988), (1080, 19990), (1200, 17991), (1350, 15992), (1800, 11994), (1999, 10800), (2160, 9995), (2700, 7996), (3600, 5997), (3998, 5400)]