61441280

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2087}}^1$

素因数の和:2131

約数の個数: 72

約数和(自身を含む): 153643392

約数和(自身を除く): 92202112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2087, 2944, 3680, 4174, 5888, 7360, 8348, 10435, 14720, 16696, 20870, 29440, 33392, 41740, 48001, 66784, 83480, 96002, 133568, 166960, 192004, 240005, 267136, 333920, 384008, 480010, 534272, 667840, 768016, 960020, 1335680, 1536032, 1920040, 2671360, 3072064, 3840080, 6144128, 7680160, 12288256, 15360320, 30720640, 61441280]

約数ペア:

[(1, 61441280), (2, 30720640), (4, 15360320), (5, 12288256), (8, 7680160), (10, 6144128), (16, 3840080), (20, 3072064), (23, 2671360), (32, 1920040), (40, 1536032), (46, 1335680), (64, 960020), (80, 768016), (92, 667840), (115, 534272), (128, 480010), (160, 384008), (184, 333920), (230, 267136), (256, 240005), (320, 192004), (368, 166960), (460, 133568), (640, 96002), (736, 83480), (920, 66784), (1280, 48001), (1472, 41740), (1840, 33392), (2087, 29440), (2944, 20870), (3680, 16696), (4174, 14720), (5888, 10435), (7360, 8348)]