18118800

素因数分解:

$2^4\times 3^2\times 5^2\times 7^1\times {\mathrm{719}}^1$

素因数の和:750

約数の個数: 180

約数和(自身を含む): 71959680

約数和(自身を除く): 53840880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 126, 140, 144, 150, 168, 175, 180, 200, 210, 225, 240, 252, 280, 300, 315, 336, 350, 360, 400, 420, 450, 504, 525, 560, 600, 630, 700, 719, 720, 840, 900, 1008, 1050, 1200, 1260, 1400, 1438, 1575, 1680, 1800, 2100, 2157, 2520, 2800, 2876, 3150, 3595, 3600, 4200, 4314, 5033, 5040, 5752, 6300, 6471, 7190, 8400, 8628, 10066, 10785, 11504, 12600, 12942, 14380, 15099, 17256, 17975, 20132, 21570, 25165, 25200, 25884, 28760, 30198, 32355, 34512, 35950, 40264, 43140, 45297, 50330, 51768, 53925, 57520, 60396, 64710, 71900, 75495, 80528, 86280, 90594, 100660, 103536, 107850, 120792, 125825, 129420, 143800, 150990, 161775, 172560, 181188, 201320, 215700, 226485, 241584, 251650, 258840, 287600, 301980, 323550, 362376, 377475, 402640, 431400, 452970, 503300, 517680, 603960, 647100, 724752, 754950, 862800, 905940, 1006600, 1132425, 1207920, 1294200, 1509900, 1811880, 2013200, 2264850, 2588400, 3019800, 3623760, 4529700, 6039600, 9059400, 18118800]

約数ペア:

[(1, 18118800), (2, 9059400), (3, 6039600), (4, 4529700), (5, 3623760), (6, 3019800), (7, 2588400), (8, 2264850), (9, 2013200), (10, 1811880), (12, 1509900), (14, 1294200), (15, 1207920), (16, 1132425), (18, 1006600), (20, 905940), (21, 862800), (24, 754950), (25, 724752), (28, 647100), (30, 603960), (35, 517680), (36, 503300), (40, 452970), (42, 431400), (45, 402640), (48, 377475), (50, 362376), (56, 323550), (60, 301980), (63, 287600), (70, 258840), (72, 251650), (75, 241584), (80, 226485), (84, 215700), (90, 201320), (100, 181188), (105, 172560), (112, 161775), (120, 150990), (126, 143800), (140, 129420), (144, 125825), (150, 120792), (168, 107850), (175, 103536), (180, 100660), (200, 90594), (210, 86280), (225, 80528), (240, 75495), (252, 71900), (280, 64710), (300, 60396), (315, 57520), (336, 53925), (350, 51768), (360, 50330), (400, 45297), (420, 43140), (450, 40264), (504, 35950), (525, 34512), (560, 32355), (600, 30198), (630, 28760), (700, 25884), (719, 25200), (720, 25165), (840, 21570), (900, 20132), (1008, 17975), (1050, 17256), (1200, 15099), (1260, 14380), (1400, 12942), (1438, 12600), (1575, 11504), (1680, 10785), (1800, 10066), (2100, 8628), (2157, 8400), (2520, 7190), (2800, 6471), (2876, 6300), (3150, 5752), (3595, 5040), (3600, 5033), (4200, 4314)]