About the Number

129921840

129921839 ← → 129921841

2進数表記:111101111100111001100110000

漢数字表記:一億二千九百九十二万千八百四十

素因数分解:

2 4 × 3 3 × 5 1 × 60149 1

素因数の和:60171
約数の個数: 80
約数和(自身を含む): 447516000
約数和(自身を除く): 317594160

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 60149, 120298, 180447, 240596, 300745, 360894, 481192, 541341, 601490, 721788, 902235, 962384, 1082682, 1202980, 1443576, 1624023, 1804470, 2165364, 2405960, 2706705, 2887152, 3248046, 3608940, 4330728, 4811920, 5413410, 6496092, 7217880, 8120115, 8661456, 10826820, 12992184, 14435760, 16240230, 21653640, 25984368, 32480460, 43307280, 64960920, 129921840]

約数ペア:
[(1, 129921840), (2, 64960920), (3, 43307280), (4, 32480460), (5, 25984368), (6, 21653640), (8, 16240230), (9, 14435760), (10, 12992184), (12, 10826820), (15, 8661456), (16, 8120115), (18, 7217880), (20, 6496092), (24, 5413410), (27, 4811920), (30, 4330728), (36, 3608940), (40, 3248046), (45, 2887152), (48, 2706705), (54, 2405960), (60, 2165364), (72, 1804470), (80, 1624023), (90, 1443576), (108, 1202980), (120, 1082682), (135, 962384), (144, 902235), (180, 721788), (216, 601490), (240, 541341), (270, 481192), (360, 360894), (432, 300745), (540, 240596), (720, 180447), (1080, 120298), (2160, 60149)]

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