About the Number

12688729440

12688729439 ← → 12688729441

2進数表記:1011110100010011101010010101100000

漢数字表記:百二十六億八千八百七十二万九千四百四十

素因数分解:

2 5 × 3 1 × 5 1 × 1867 1 × 14159 1

素因数の和:16044
約数の個数: 96
約数和(自身を含む): 39993730560
約数和(自身を除く): 27305001120

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 1867, 3734, 5601, 7468, 9335, 11202, 14159, 14936, 18670, 22404, 28005, 28318, 29872, 37340, 42477, 44808, 56010, 56636, 59744, 70795, 74680, 84954, 89616, 112020, 113272, 141590, 149360, 169908, 179232, 212385, 224040, 226544, 283180, 298720, 339816, 424770, 448080, 453088, 566360, 679632, 849540, 896160, 1132720, 1359264, 1699080, 2265440, 3398160, 6796320, 26434853, 52869706, 79304559, 105739412, 132174265, 158609118, 211478824, 264348530, 317218236, 396522795, 422957648, 528697060, 634436472, 793045590, 845915296, 1057394120, 1268872944, 1586091180, 2114788240, 2537745888, 3172182360, 4229576480, 6344364720, 12688729440]

約数ペア:
[(1, 12688729440), (2, 6344364720), (3, 4229576480), (4, 3172182360), (5, 2537745888), (6, 2114788240), (8, 1586091180), (10, 1268872944), (12, 1057394120), (15, 845915296), (16, 793045590), (20, 634436472), (24, 528697060), (30, 422957648), (32, 396522795), (40, 317218236), (48, 264348530), (60, 211478824), (80, 158609118), (96, 132174265), (120, 105739412), (160, 79304559), (240, 52869706), (480, 26434853), (1867, 6796320), (3734, 3398160), (5601, 2265440), (7468, 1699080), (9335, 1359264), (11202, 1132720), (14159, 896160), (14936, 849540), (18670, 679632), (22404, 566360), (28005, 453088), (28318, 448080), (29872, 424770), (37340, 339816), (42477, 298720), (44808, 283180), (56010, 226544), (56636, 224040), (59744, 212385), (70795, 179232), (74680, 169908), (84954, 149360), (89616, 141590), (112020, 113272)]

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