489975840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{340261}}^1$

素因数の和:340282

約数の個数: 72

約数和(自身を含む): 1672047468

約数和(自身を除く): 1182071628

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 340261, 680522, 1020783, 1361044, 1701305, 2041566, 2722088, 3062349, 3402610, 4083132, 5103915, 5444176, 6124698, 6805220, 8166264, 10207830, 10888352, 12249396, 13610440, 15311745, 16332528, 20415660, 24498792, 27220880, 30623490, 32665056, 40831320, 48997584, 54441760, 61246980, 81662640, 97995168, 122493960, 163325280, 244987920, 489975840]

約数ペア:

[(1, 489975840), (2, 244987920), (3, 163325280), (4, 122493960), (5, 97995168), (6, 81662640), (8, 61246980), (9, 54441760), (10, 48997584), (12, 40831320), (15, 32665056), (16, 30623490), (18, 27220880), (20, 24498792), (24, 20415660), (30, 16332528), (32, 15311745), (36, 13610440), (40, 12249396), (45, 10888352), (48, 10207830), (60, 8166264), (72, 6805220), (80, 6124698), (90, 5444176), (96, 5103915), (120, 4083132), (144, 3402610), (160, 3062349), (180, 2722088), (240, 2041566), (288, 1701305), (360, 1361044), (480, 1020783), (720, 680522), (1440, 340261)]