About the Number
12972240
2進数表記:110001011111000011010000
漢数字表記:千二百九十七万二千二百四十
素因数分解:
素因数の和:481
約数の個数: 120
約数和(自身を含む): 44684640
約数和(自身を除く): 31712400
約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 419, 430, 516, 645, 688, 720, 774, 838, 860, 1032, 1257, 1290, 1548, 1676, 1720, 1935, 2064, 2095, 2514, 2580, 3096, 3352, 3440, 3771, 3870, 4190, 5028, 5160, 6192, 6285, 6704, 7542, 7740, 8380, 10056, 10320, 12570, 15084, 15480, 16760, 18017, 18855, 20112, 25140, 30168, 30960, 33520, 36034, 37710, 50280, 54051, 60336, 72068, 75420, 90085, 100560, 108102, 144136, 150840, 162153, 180170, 216204, 270255, 288272, 301680, 324306, 360340, 432408, 540510, 648612, 720680, 810765, 864816, 1081020, 1297224, 1441360, 1621530, 2162040, 2594448, 3243060, 4324080, 6486120, 12972240]
約数ペア:
[(1, 12972240), (2, 6486120), (3, 4324080), (4, 3243060), (5, 2594448), (6, 2162040), (8, 1621530), (9, 1441360), (10, 1297224), (12, 1081020), (15, 864816), (16, 810765), (18, 720680), (20, 648612), (24, 540510), (30, 432408), (36, 360340), (40, 324306), (43, 301680), (45, 288272), (48, 270255), (60, 216204), (72, 180170), (80, 162153), (86, 150840), (90, 144136), (120, 108102), (129, 100560), (144, 90085), (172, 75420), (180, 72068), (215, 60336), (240, 54051), (258, 50280), (344, 37710), (360, 36034), (387, 33520), (419, 30960), (430, 30168), (516, 25140), (645, 20112), (688, 18855), (720, 18017), (774, 16760), (838, 15480), (860, 15084), (1032, 12570), (1257, 10320), (1290, 10056), (1548, 8380), (1676, 7740), (1720, 7542), (1935, 6704), (2064, 6285), (2095, 6192), (2514, 5160), (2580, 5028), (3096, 4190), (3352, 3870), (3440, 3771)]このpageの処理時間: 0.007181406021118164 seconds