About the Number

12745680

12745679 ← → 12745681

2進数表記:110000100111101111010000

漢数字表記:千二百七十四万五千六百八十

素因数分解:

2 4 × 3 1 × 5 1 × 23 1 × 2309 1

素因数の和:2348
約数の個数: 80
約数和(自身を含む): 41247360
約数和(自身を除く): 28501680

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2309, 2760, 4618, 5520, 6927, 9236, 11545, 13854, 18472, 23090, 27708, 34635, 36944, 46180, 53107, 55416, 69270, 92360, 106214, 110832, 138540, 159321, 184720, 212428, 265535, 277080, 318642, 424856, 531070, 554160, 637284, 796605, 849712, 1062140, 1274568, 1593210, 2124280, 2549136, 3186420, 4248560, 6372840, 12745680]

約数ペア:
[(1, 12745680), (2, 6372840), (3, 4248560), (4, 3186420), (5, 2549136), (6, 2124280), (8, 1593210), (10, 1274568), (12, 1062140), (15, 849712), (16, 796605), (20, 637284), (23, 554160), (24, 531070), (30, 424856), (40, 318642), (46, 277080), (48, 265535), (60, 212428), (69, 184720), (80, 159321), (92, 138540), (115, 110832), (120, 106214), (138, 92360), (184, 69270), (230, 55416), (240, 53107), (276, 46180), (345, 36944), (368, 34635), (460, 27708), (552, 23090), (690, 18472), (920, 13854), (1104, 11545), (1380, 9236), (1840, 6927), (2309, 5520), (2760, 4618)]

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