1811880

素因数分解:

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

素因数の和:743

約数の個数: 96

約数和(自身を含む): 6739200

約数和(自身を除く): 4927320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 719, 840, 1260, 1438, 2157, 2520, 2876, 3595, 4314, 5033, 5752, 6471, 7190, 8628, 10066, 10785, 12942, 14380, 15099, 17256, 20132, 21570, 25165, 25884, 28760, 30198, 32355, 40264, 43140, 45297, 50330, 51768, 60396, 64710, 75495, 86280, 90594, 100660, 120792, 129420, 150990, 181188, 201320, 226485, 258840, 301980, 362376, 452970, 603960, 905940, 1811880]

約数ペア:

[(1, 1811880), (2, 905940), (3, 603960), (4, 452970), (5, 362376), (6, 301980), (7, 258840), (8, 226485), (9, 201320), (10, 181188), (12, 150990), (14, 129420), (15, 120792), (18, 100660), (20, 90594), (21, 86280), (24, 75495), (28, 64710), (30, 60396), (35, 51768), (36, 50330), (40, 45297), (42, 43140), (45, 40264), (56, 32355), (60, 30198), (63, 28760), (70, 25884), (72, 25165), (84, 21570), (90, 20132), (105, 17256), (120, 15099), (126, 14380), (140, 12942), (168, 10785), (180, 10066), (210, 8628), (252, 7190), (280, 6471), (315, 5752), (360, 5033), (420, 4314), (504, 3595), (630, 2876), (719, 2520), (840, 2157), (1260, 1438)]