About the Number
12810816
2進数表記:110000110111101001000000
漢数字表記:千二百八十一万八百十六
素因数分解:
素因数の和:1008
約数の個数: 84
約数和(自身を含む): 38356032
約数和(自身を除く): 25545216
約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 138, 144, 184, 192, 207, 276, 288, 368, 414, 552, 576, 736, 828, 967, 1104, 1472, 1656, 1934, 2208, 2901, 3312, 3868, 4416, 5802, 6624, 7736, 8703, 11604, 13248, 15472, 17406, 22241, 23208, 30944, 34812, 44482, 46416, 61888, 66723, 69624, 88964, 92832, 133446, 139248, 177928, 185664, 200169, 266892, 278496, 355856, 400338, 533784, 556992, 711712, 800676, 1067568, 1423424, 1601352, 2135136, 3202704, 4270272, 6405408, 12810816]
約数ペア:
[(1, 12810816), (2, 6405408), (3, 4270272), (4, 3202704), (6, 2135136), (8, 1601352), (9, 1423424), (12, 1067568), (16, 800676), (18, 711712), (23, 556992), (24, 533784), (32, 400338), (36, 355856), (46, 278496), (48, 266892), (64, 200169), (69, 185664), (72, 177928), (92, 139248), (96, 133446), (138, 92832), (144, 88964), (184, 69624), (192, 66723), (207, 61888), (276, 46416), (288, 44482), (368, 34812), (414, 30944), (552, 23208), (576, 22241), (736, 17406), (828, 15472), (967, 13248), (1104, 11604), (1472, 8703), (1656, 7736), (1934, 6624), (2208, 5802), (2901, 4416), (3312, 3868)]このpageの処理時間: 0.007030963897705078 seconds