1207920

素因数分解:

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

素因数の和:742

約数の個数: 80

約数和(自身を含む): 4285440

約数和(自身を除く): 3077520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 719, 840, 1438, 1680, 2157, 2876, 3595, 4314, 5033, 5752, 7190, 8628, 10066, 10785, 11504, 14380, 15099, 17256, 20132, 21570, 25165, 28760, 30198, 34512, 40264, 43140, 50330, 57520, 60396, 75495, 80528, 86280, 100660, 120792, 150990, 172560, 201320, 241584, 301980, 402640, 603960, 1207920]

約数ペア:

[(1, 1207920), (2, 603960), (3, 402640), (4, 301980), (5, 241584), (6, 201320), (7, 172560), (8, 150990), (10, 120792), (12, 100660), (14, 86280), (15, 80528), (16, 75495), (20, 60396), (21, 57520), (24, 50330), (28, 43140), (30, 40264), (35, 34512), (40, 30198), (42, 28760), (48, 25165), (56, 21570), (60, 20132), (70, 17256), (80, 15099), (84, 14380), (105, 11504), (112, 10785), (120, 10066), (140, 8628), (168, 7190), (210, 5752), (240, 5033), (280, 4314), (336, 3595), (420, 2876), (560, 2157), (719, 1680), (840, 1438)]