216076280

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{15749}}^1$

素因数の和:15781

約数の個数: 64

約数和(自身を含む): 567000000

約数和(自身を除く): 350923720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 15749, 31498, 62996, 78745, 110243, 125992, 157490, 220486, 314980, 440972, 551215, 629960, 771701, 881944, 1102430, 1543402, 2204860, 3086804, 3858505, 4409720, 5401907, 6173608, 7717010, 10803814, 15434020, 21607628, 27009535, 30868040, 43215256, 54019070, 108038140, 216076280]

約数ペア:

[(1, 216076280), (2, 108038140), (4, 54019070), (5, 43215256), (7, 30868040), (8, 27009535), (10, 21607628), (14, 15434020), (20, 10803814), (28, 7717010), (35, 6173608), (40, 5401907), (49, 4409720), (56, 3858505), (70, 3086804), (98, 2204860), (140, 1543402), (196, 1102430), (245, 881944), (280, 771701), (343, 629960), (392, 551215), (490, 440972), (686, 314980), (980, 220486), (1372, 157490), (1715, 125992), (1960, 110243), (2744, 78745), (3430, 62996), (6860, 31498), (13720, 15749)]