About the Number

1680991120

1680991119 ← → 1680991121

2進数表記:1100100001100011110001110010000

漢数字表記:十六億八千九十九万千百二十

素因数分解:

2 4 × 5 1 × 31 1 × 277 1 × 2447 1

素因数の和:2768
約数の個数: 80
約数和(自身を含む): 4050597888
約数和(自身を除く): 2369606768

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 277, 310, 496, 554, 620, 1108, 1240, 1385, 2216, 2447, 2480, 2770, 4432, 4894, 5540, 8587, 9788, 11080, 12235, 17174, 19576, 22160, 24470, 34348, 39152, 42935, 48940, 68696, 75857, 85870, 97880, 137392, 151714, 171740, 195760, 303428, 343480, 379285, 606856, 677819, 686960, 758570, 1213712, 1355638, 1517140, 2711276, 3034280, 3389095, 5422552, 6068560, 6778190, 10845104, 13556380, 21012389, 27112760, 42024778, 54225520, 84049556, 105061945, 168099112, 210123890, 336198224, 420247780, 840495560, 1680991120]

約数ペア:
[(1, 1680991120), (2, 840495560), (4, 420247780), (5, 336198224), (8, 210123890), (10, 168099112), (16, 105061945), (20, 84049556), (31, 54225520), (40, 42024778), (62, 27112760), (80, 21012389), (124, 13556380), (155, 10845104), (248, 6778190), (277, 6068560), (310, 5422552), (496, 3389095), (554, 3034280), (620, 2711276), (1108, 1517140), (1240, 1355638), (1385, 1213712), (2216, 758570), (2447, 686960), (2480, 677819), (2770, 606856), (4432, 379285), (4894, 343480), (5540, 303428), (8587, 195760), (9788, 171740), (11080, 151714), (12235, 137392), (17174, 97880), (19576, 85870), (22160, 75857), (24470, 68696), (34348, 48940), (39152, 42935)]

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