285800720

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{401}}^1$

素因数の和:624

約数の個数: 80

約数和(自身を含む): 681920640

約数和(自身を除く): 396119920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 151, 236, 295, 302, 401, 472, 590, 604, 755, 802, 944, 1180, 1208, 1510, 1604, 2005, 2360, 2416, 3020, 3208, 4010, 4720, 6040, 6416, 8020, 8909, 12080, 16040, 17818, 23659, 32080, 35636, 44545, 47318, 60551, 71272, 89090, 94636, 118295, 121102, 142544, 178180, 189272, 236590, 242204, 302755, 356360, 378544, 473180, 484408, 605510, 712720, 946360, 968816, 1211020, 1892720, 2422040, 3572509, 4844080, 7145018, 14290036, 17862545, 28580072, 35725090, 57160144, 71450180, 142900360, 285800720]

約数ペア:

[(1, 285800720), (2, 142900360), (4, 71450180), (5, 57160144), (8, 35725090), (10, 28580072), (16, 17862545), (20, 14290036), (40, 7145018), (59, 4844080), (80, 3572509), (118, 2422040), (151, 1892720), (236, 1211020), (295, 968816), (302, 946360), (401, 712720), (472, 605510), (590, 484408), (604, 473180), (755, 378544), (802, 356360), (944, 302755), (1180, 242204), (1208, 236590), (1510, 189272), (1604, 178180), (2005, 142544), (2360, 121102), (2416, 118295), (3020, 94636), (3208, 89090), (4010, 71272), (4720, 60551), (6040, 47318), (6416, 44545), (8020, 35636), (8909, 32080), (12080, 23659), (16040, 17818)]