About the Number

13111380

13111379 ← → 13111381

2進数表記:110010000001000001010100

漢数字表記:千三百十一万千三百八十

素因数分解:

2 2 × 3 2 × 5 1 × 23 1 × 3167 1

素因数の和:3205
約数の個数: 72
約数和(自身を含む): 41513472
約数和(自身を除く): 28402092

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 3167, 4140, 6334, 9501, 12668, 15835, 19002, 28503, 31670, 38004, 47505, 57006, 63340, 72841, 95010, 114012, 142515, 145682, 190020, 218523, 285030, 291364, 364205, 437046, 570060, 655569, 728410, 874092, 1092615, 1311138, 1456820, 2185230, 2622276, 3277845, 4370460, 6555690, 13111380]

約数ペア:
[(1, 13111380), (2, 6555690), (3, 4370460), (4, 3277845), (5, 2622276), (6, 2185230), (9, 1456820), (10, 1311138), (12, 1092615), (15, 874092), (18, 728410), (20, 655569), (23, 570060), (30, 437046), (36, 364205), (45, 291364), (46, 285030), (60, 218523), (69, 190020), (90, 145682), (92, 142515), (115, 114012), (138, 95010), (180, 72841), (207, 63340), (230, 57006), (276, 47505), (345, 38004), (414, 31670), (460, 28503), (690, 19002), (828, 15835), (1035, 12668), (1380, 9501), (2070, 6334), (3167, 4140)]

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