217070640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{301487}}^1$

素因数の和:301506

約数の個数: 60

約数和(自身を含む): 728997984

約数和(自身を除く): 511927344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 301487, 602974, 904461, 1205948, 1507435, 1808922, 2411896, 2713383, 3014870, 3617844, 4522305, 4823792, 5426766, 6029740, 7235688, 9044610, 10853532, 12059480, 13566915, 14471376, 18089220, 21707064, 24118960, 27133830, 36178440, 43414128, 54267660, 72356880, 108535320, 217070640]

約数ペア:

[(1, 217070640), (2, 108535320), (3, 72356880), (4, 54267660), (5, 43414128), (6, 36178440), (8, 27133830), (9, 24118960), (10, 21707064), (12, 18089220), (15, 14471376), (16, 13566915), (18, 12059480), (20, 10853532), (24, 9044610), (30, 7235688), (36, 6029740), (40, 5426766), (45, 4823792), (48, 4522305), (60, 3617844), (72, 3014870), (80, 2713383), (90, 2411896), (120, 1808922), (144, 1507435), (180, 1205948), (240, 904461), (360, 602974), (720, 301487)]