18675000

素因数分解:

$2^3\times 3^2\times 5^5\times {\mathrm{83}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 63980280

約数和(自身を除く): 45305280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 83, 90, 100, 120, 125, 150, 166, 180, 200, 225, 249, 250, 300, 332, 360, 375, 415, 450, 498, 500, 600, 625, 664, 747, 750, 830, 900, 996, 1000, 1125, 1245, 1250, 1494, 1500, 1660, 1800, 1875, 1992, 2075, 2250, 2490, 2500, 2988, 3000, 3125, 3320, 3735, 3750, 4150, 4500, 4980, 5000, 5625, 5976, 6225, 6250, 7470, 7500, 8300, 9000, 9375, 9960, 10375, 11250, 12450, 12500, 14940, 15000, 16600, 18675, 18750, 20750, 22500, 24900, 25000, 28125, 29880, 31125, 37350, 37500, 41500, 45000, 49800, 51875, 56250, 62250, 74700, 75000, 83000, 93375, 103750, 112500, 124500, 149400, 155625, 186750, 207500, 225000, 249000, 259375, 311250, 373500, 415000, 466875, 518750, 622500, 747000, 778125, 933750, 1037500, 1245000, 1556250, 1867500, 2075000, 2334375, 3112500, 3735000, 4668750, 6225000, 9337500, 18675000]

約数ペア:

[(1, 18675000), (2, 9337500), (3, 6225000), (4, 4668750), (5, 3735000), (6, 3112500), (8, 2334375), (9, 2075000), (10, 1867500), (12, 1556250), (15, 1245000), (18, 1037500), (20, 933750), (24, 778125), (25, 747000), (30, 622500), (36, 518750), (40, 466875), (45, 415000), (50, 373500), (60, 311250), (72, 259375), (75, 249000), (83, 225000), (90, 207500), (100, 186750), (120, 155625), (125, 149400), (150, 124500), (166, 112500), (180, 103750), (200, 93375), (225, 83000), (249, 75000), (250, 74700), (300, 62250), (332, 56250), (360, 51875), (375, 49800), (415, 45000), (450, 41500), (498, 37500), (500, 37350), (600, 31125), (625, 29880), (664, 28125), (747, 25000), (750, 24900), (830, 22500), (900, 20750), (996, 18750), (1000, 18675), (1125, 16600), (1245, 15000), (1250, 14940), (1494, 12500), (1500, 12450), (1660, 11250), (1800, 10375), (1875, 9960), (1992, 9375), (2075, 9000), (2250, 8300), (2490, 7500), (2500, 7470), (2988, 6250), (3000, 6225), (3125, 5976), (3320, 5625), (3735, 5000), (3750, 4980), (4150, 4500)]