About the Number

131205120

131205119 ← → 131205121

2進数表記:111110100100000100000000000

漢数字表記:一億三千百二十万五千百二十

素因数分解:

2 11 × 3 1 × 5 1 × 4271 1

素因数の和:4301
約数の個数: 96
約数和(自身を含む): 419852160
約数和(自身を除く): 288647040

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2048, 2560, 3072, 3840, 4271, 5120, 6144, 7680, 8542, 10240, 12813, 15360, 17084, 21355, 25626, 30720, 34168, 42710, 51252, 64065, 68336, 85420, 102504, 128130, 136672, 170840, 205008, 256260, 273344, 341680, 410016, 512520, 546688, 683360, 820032, 1025040, 1093376, 1366720, 1640064, 2050080, 2186752, 2733440, 3280128, 4100160, 4373504, 5466880, 6560256, 8200320, 8747008, 10933760, 13120512, 16400640, 21867520, 26241024, 32801280, 43735040, 65602560, 131205120]

約数ペア:
[(1, 131205120), (2, 65602560), (3, 43735040), (4, 32801280), (5, 26241024), (6, 21867520), (8, 16400640), (10, 13120512), (12, 10933760), (15, 8747008), (16, 8200320), (20, 6560256), (24, 5466880), (30, 4373504), (32, 4100160), (40, 3280128), (48, 2733440), (60, 2186752), (64, 2050080), (80, 1640064), (96, 1366720), (120, 1093376), (128, 1025040), (160, 820032), (192, 683360), (240, 546688), (256, 512520), (320, 410016), (384, 341680), (480, 273344), (512, 256260), (640, 205008), (768, 170840), (960, 136672), (1024, 128130), (1280, 102504), (1536, 85420), (1920, 68336), (2048, 64065), (2560, 51252), (3072, 42710), (3840, 34168), (4271, 30720), (5120, 25626), (6144, 21355), (7680, 17084), (8542, 15360), (10240, 12813)]

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