About the Number

131075280

131075279 ← → 131075281

2進数表記:111110100000000110011010000

漢数字表記:一億三千百七万五千二百八十

素因数分解:

2 4 × 3 3 × 5 1 × 7 1 × 8669 1

素因数の和:8698
約数の個数: 160
約数和(自身を含む): 516038400
約数和(自身を除く): 384963120

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 8669, 15120, 17338, 26007, 34676, 43345, 52014, 60683, 69352, 78021, 86690, 104028, 121366, 130035, 138704, 156042, 173380, 182049, 208056, 234063, 242732, 260070, 303415, 312084, 346760, 364098, 390105, 416112, 468126, 485464, 520140, 546147, 606830, 624168, 693520, 728196, 780210, 910245, 936252, 970928, 1040280, 1092294, 1170315, 1213660, 1248336, 1456392, 1560420, 1638441, 1820490, 1872504, 2080560, 2184588, 2340630, 2427320, 2730735, 2912784, 3120840, 3276882, 3640980, 3745008, 4369176, 4681260, 4854640, 5461470, 6241680, 6553764, 7281960, 8192205, 8738352, 9362520, 10922940, 13107528, 14563920, 16384410, 18725040, 21845880, 26215056, 32768820, 43691760, 65537640, 131075280]

約数ペア:
[(1, 131075280), (2, 65537640), (3, 43691760), (4, 32768820), (5, 26215056), (6, 21845880), (7, 18725040), (8, 16384410), (9, 14563920), (10, 13107528), (12, 10922940), (14, 9362520), (15, 8738352), (16, 8192205), (18, 7281960), (20, 6553764), (21, 6241680), (24, 5461470), (27, 4854640), (28, 4681260), (30, 4369176), (35, 3745008), (36, 3640980), (40, 3276882), (42, 3120840), (45, 2912784), (48, 2730735), (54, 2427320), (56, 2340630), (60, 2184588), (63, 2080560), (70, 1872504), (72, 1820490), (80, 1638441), (84, 1560420), (90, 1456392), (105, 1248336), (108, 1213660), (112, 1170315), (120, 1092294), (126, 1040280), (135, 970928), (140, 936252), (144, 910245), (168, 780210), (180, 728196), (189, 693520), (210, 624168), (216, 606830), (240, 546147), (252, 520140), (270, 485464), (280, 468126), (315, 416112), (336, 390105), (360, 364098), (378, 346760), (420, 312084), (432, 303415), (504, 260070), (540, 242732), (560, 234063), (630, 208056), (720, 182049), (756, 173380), (840, 156042), (945, 138704), (1008, 130035), (1080, 121366), (1260, 104028), (1512, 86690), (1680, 78021), (1890, 69352), (2160, 60683), (2520, 52014), (3024, 43345), (3780, 34676), (5040, 26007), (7560, 17338), (8669, 15120)]

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