1815677520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{445019}}^1$

素因数の和:445052

約数の個数: 80

約数和(自身を含む): 5959707840

約数和(自身を除く): 4144030320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 445019, 890038, 1335057, 1780076, 2225095, 2670114, 3560152, 4450190, 5340228, 6675285, 7120304, 7565323, 8900380, 10680456, 13350570, 15130646, 17800760, 21360912, 22695969, 26701140, 30261292, 35601520, 37826615, 45391938, 53402280, 60522584, 75653230, 90783876, 106804560, 113479845, 121045168, 151306460, 181567752, 226959690, 302612920, 363135504, 453919380, 605225840, 907838760, 1815677520]

約数ペア:

[(1, 1815677520), (2, 907838760), (3, 605225840), (4, 453919380), (5, 363135504), (6, 302612920), (8, 226959690), (10, 181567752), (12, 151306460), (15, 121045168), (16, 113479845), (17, 106804560), (20, 90783876), (24, 75653230), (30, 60522584), (34, 53402280), (40, 45391938), (48, 37826615), (51, 35601520), (60, 30261292), (68, 26701140), (80, 22695969), (85, 21360912), (102, 17800760), (120, 15130646), (136, 13350570), (170, 10680456), (204, 8900380), (240, 7565323), (255, 7120304), (272, 6675285), (340, 5340228), (408, 4450190), (510, 3560152), (680, 2670114), (816, 2225095), (1020, 1780076), (1360, 1335057), (2040, 890038), (4080, 445019)]