2021267340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{28867}}^1$

素因数の和:29271

約数の個数: 72

約数和(自身を含む): 6147151920

約数和(自身を除く): 4125884580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 1167, 1556, 1945, 2334, 3501, 3890, 4668, 5835, 7002, 7780, 11670, 14004, 17505, 23340, 28867, 35010, 57734, 70020, 86601, 115468, 144335, 173202, 259803, 288670, 346404, 433005, 519606, 577340, 866010, 1039212, 1299015, 1732020, 2598030, 5196060, 11229263, 22458526, 33687789, 44917052, 56146315, 67375578, 101063367, 112292630, 134751156, 168438945, 202126734, 224585260, 336877890, 404253468, 505316835, 673755780, 1010633670, 2021267340]

約数ペア:

[(1, 2021267340), (2, 1010633670), (3, 673755780), (4, 505316835), (5, 404253468), (6, 336877890), (9, 224585260), (10, 202126734), (12, 168438945), (15, 134751156), (18, 112292630), (20, 101063367), (30, 67375578), (36, 56146315), (45, 44917052), (60, 33687789), (90, 22458526), (180, 11229263), (389, 5196060), (778, 2598030), (1167, 1732020), (1556, 1299015), (1945, 1039212), (2334, 866010), (3501, 577340), (3890, 519606), (4668, 433005), (5835, 346404), (7002, 288670), (7780, 259803), (11670, 173202), (14004, 144335), (17505, 115468), (23340, 86601), (28867, 70020), (35010, 57734)]