210221280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{145987}}^1$

素因数の和:146008

約数の個数: 72

約数和(自身を含む): 717385032

約数和(自身を除く): 507163752

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, 145987, 291974, 437961, 583948, 729935, 875922, 1167896, 1313883, 1459870, 1751844, 2189805, 2335792, 2627766, 2919740, 3503688, 4379610, 4671584, 5255532, 5839480, 6569415, 7007376, 8759220, 10511064, 11678960, 13138830, 14014752, 17518440, 21022128, 23357920, 26277660, 35036880, 42044256, 52555320, 70073760, 105110640, 210221280]

約数ペア:

[(1, 210221280), (2, 105110640), (3, 70073760), (4, 52555320), (5, 42044256), (6, 35036880), (8, 26277660), (9, 23357920), (10, 21022128), (12, 17518440), (15, 14014752), (16, 13138830), (18, 11678960), (20, 10511064), (24, 8759220), (30, 7007376), (32, 6569415), (36, 5839480), (40, 5255532), (45, 4671584), (48, 4379610), (60, 3503688), (72, 2919740), (80, 2627766), (90, 2335792), (96, 2189805), (120, 1751844), (144, 1459870), (160, 1313883), (180, 1167896), (240, 875922), (288, 729935), (360, 583948), (480, 437961), (720, 291974), (1440, 145987)]