About the Number

12181080

12181079 ← → 12181081

2進数表記:101110011101111001011000

漢数字表記:千二百十八万千八十

素因数分解:

2 3 × 3 1 × 5 1 × 83 1 × 1223 1

素因数の和:1320
約数の個数: 64
約数和(自身を含む): 37013760
約数和(自身を除く): 24832680

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1223, 1245, 1660, 1992, 2446, 2490, 3320, 3669, 4892, 4980, 6115, 7338, 9784, 9960, 12230, 14676, 18345, 24460, 29352, 36690, 48920, 73380, 101509, 146760, 203018, 304527, 406036, 507545, 609054, 812072, 1015090, 1218108, 1522635, 2030180, 2436216, 3045270, 4060360, 6090540, 12181080]

約数ペア:
[(1, 12181080), (2, 6090540), (3, 4060360), (4, 3045270), (5, 2436216), (6, 2030180), (8, 1522635), (10, 1218108), (12, 1015090), (15, 812072), (20, 609054), (24, 507545), (30, 406036), (40, 304527), (60, 203018), (83, 146760), (120, 101509), (166, 73380), (249, 48920), (332, 36690), (415, 29352), (498, 24460), (664, 18345), (830, 14676), (996, 12230), (1223, 9960), (1245, 9784), (1660, 7338), (1992, 6115), (2446, 4980), (2490, 4892), (3320, 3669)]

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