21567600

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{1997}}^1$

素因数の和:2024

約数の個数: 120

約数和(自身を含む): 76803120

約数和(自身を除く): 55235520

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, 1997, 2160, 2700, 3600, 3994, 5400, 5991, 7988, 9985, 10800, 11982, 15976, 17973, 19970, 23964, 29955, 31952, 35946, 39940, 47928, 49925, 53919, 59910, 71892, 79880, 89865, 95856, 99850, 107838, 119820, 143784, 149775, 159760, 179730, 199700, 215676, 239640, 269595, 287568, 299550, 359460, 399400, 431352, 449325, 479280, 539190, 599100, 718920, 798800, 862704, 898650, 1078380, 1198200, 1347975, 1437840, 1797300, 2156760, 2396400, 2695950, 3594600, 4313520, 5391900, 7189200, 10783800, 21567600]

約数ペア:

[(1, 21567600), (2, 10783800), (3, 7189200), (4, 5391900), (5, 4313520), (6, 3594600), (8, 2695950), (9, 2396400), (10, 2156760), (12, 1797300), (15, 1437840), (16, 1347975), (18, 1198200), (20, 1078380), (24, 898650), (25, 862704), (27, 798800), (30, 718920), (36, 599100), (40, 539190), (45, 479280), (48, 449325), (50, 431352), (54, 399400), (60, 359460), (72, 299550), (75, 287568), (80, 269595), (90, 239640), (100, 215676), (108, 199700), (120, 179730), (135, 159760), (144, 149775), (150, 143784), (180, 119820), (200, 107838), (216, 99850), (225, 95856), (240, 89865), (270, 79880), (300, 71892), (360, 59910), (400, 53919), (432, 49925), (450, 47928), (540, 39940), (600, 35946), (675, 31952), (720, 29955), (900, 23964), (1080, 19970), (1200, 17973), (1350, 15976), (1800, 11982), (1997, 10800), (2160, 9985), (2700, 7988), (3600, 5991), (3994, 5400)]