About the Number

129755880

129755879 ← → 129755881

2進数表記:111101110111110101011101000

漢数字表記:一億二千九百七十五万五千八百八十

素因数分解:

2 3 × 3 2 × 5 1 × 23 1 × 15671 1

素因数の和:15711
約数の個数: 96
約数和(自身を含む): 440069760
約数和(自身を除く): 310313880

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 15671, 31342, 47013, 62684, 78355, 94026, 125368, 141039, 156710, 188052, 235065, 282078, 313420, 360433, 376104, 470130, 564156, 626840, 705195, 720866, 940260, 1081299, 1128312, 1410390, 1441732, 1802165, 1880520, 2162598, 2820780, 2883464, 3243897, 3604330, 4325196, 5406495, 5641560, 6487794, 7208660, 8650392, 10812990, 12975588, 14417320, 16219485, 21625980, 25951176, 32438970, 43251960, 64877940, 129755880]

約数ペア:
[(1, 129755880), (2, 64877940), (3, 43251960), (4, 32438970), (5, 25951176), (6, 21625980), (8, 16219485), (9, 14417320), (10, 12975588), (12, 10812990), (15, 8650392), (18, 7208660), (20, 6487794), (23, 5641560), (24, 5406495), (30, 4325196), (36, 3604330), (40, 3243897), (45, 2883464), (46, 2820780), (60, 2162598), (69, 1880520), (72, 1802165), (90, 1441732), (92, 1410390), (115, 1128312), (120, 1081299), (138, 940260), (180, 720866), (184, 705195), (207, 626840), (230, 564156), (276, 470130), (345, 376104), (360, 360433), (414, 313420), (460, 282078), (552, 235065), (690, 188052), (828, 156710), (920, 141039), (1035, 125368), (1380, 94026), (1656, 78355), (2070, 62684), (2760, 47013), (4140, 31342), (8280, 15671)]

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