About the Number

12090780

12090779 ← → 12090781

2進数表記:101110000111110110011100

漢数字表記:千二百九万七百八十

素因数分解:

2 2 × 3 2 × 5 1 × 13 1 × 5167 1

素因数の和:5195
約数の個数: 72
約数和(自身を含む): 39504192
約数和(自身を除く): 27413412

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 5167, 10334, 15501, 20668, 25835, 31002, 46503, 51670, 62004, 67171, 77505, 93006, 103340, 134342, 155010, 186012, 201513, 232515, 268684, 310020, 335855, 403026, 465030, 604539, 671710, 806052, 930060, 1007565, 1209078, 1343420, 2015130, 2418156, 3022695, 4030260, 6045390, 12090780]

約数ペア:
[(1, 12090780), (2, 6045390), (3, 4030260), (4, 3022695), (5, 2418156), (6, 2015130), (9, 1343420), (10, 1209078), (12, 1007565), (13, 930060), (15, 806052), (18, 671710), (20, 604539), (26, 465030), (30, 403026), (36, 335855), (39, 310020), (45, 268684), (52, 232515), (60, 201513), (65, 186012), (78, 155010), (90, 134342), (117, 103340), (130, 93006), (156, 77505), (180, 67171), (195, 62004), (234, 51670), (260, 46503), (390, 31002), (468, 25835), (585, 20668), (780, 15501), (1170, 10334), (2340, 5167)]

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