About the Number

121640688

121640687 ← → 121640689

2進数表記:111010000000001011011110000

漢数字表記:一億二千百六十四万六百八十八

素因数分解:

2 4 × 3 2 × 13 1 × 181 1 × 359 1

素因数の和:567
約数の個数: 120
約数和(自身を含む): 369663840
約数和(自身を除く): 248023152

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 181, 208, 234, 312, 359, 362, 468, 543, 624, 718, 724, 936, 1077, 1086, 1436, 1448, 1629, 1872, 2154, 2172, 2353, 2872, 2896, 3231, 3258, 4308, 4344, 4667, 4706, 5744, 6462, 6516, 7059, 8616, 8688, 9334, 9412, 12924, 13032, 14001, 14118, 17232, 18668, 18824, 21177, 25848, 26064, 28002, 28236, 37336, 37648, 42003, 42354, 51696, 56004, 56472, 64979, 74672, 84006, 84708, 112008, 112944, 129958, 168012, 169416, 194937, 224016, 259916, 336024, 338832, 389874, 519832, 584811, 672048, 779748, 844727, 1039664, 1169622, 1559496, 1689454, 2339244, 2534181, 3118992, 3378908, 4678488, 5068362, 6757816, 7602543, 9356976, 10136724, 13515632, 15205086, 20273448, 30410172, 40546896, 60820344, 121640688]

約数ペア:
[(1, 121640688), (2, 60820344), (3, 40546896), (4, 30410172), (6, 20273448), (8, 15205086), (9, 13515632), (12, 10136724), (13, 9356976), (16, 7602543), (18, 6757816), (24, 5068362), (26, 4678488), (36, 3378908), (39, 3118992), (48, 2534181), (52, 2339244), (72, 1689454), (78, 1559496), (104, 1169622), (117, 1039664), (144, 844727), (156, 779748), (181, 672048), (208, 584811), (234, 519832), (312, 389874), (359, 338832), (362, 336024), (468, 259916), (543, 224016), (624, 194937), (718, 169416), (724, 168012), (936, 129958), (1077, 112944), (1086, 112008), (1436, 84708), (1448, 84006), (1629, 74672), (1872, 64979), (2154, 56472), (2172, 56004), (2353, 51696), (2872, 42354), (2896, 42003), (3231, 37648), (3258, 37336), (4308, 28236), (4344, 28002), (4667, 26064), (4706, 25848), (5744, 21177), (6462, 18824), (6516, 18668), (7059, 17232), (8616, 14118), (8688, 14001), (9334, 13032), (9412, 12924)]

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