About the Number

155040920

155040919 ← → 155040921

2進数表記:1001001111011011110010011000

漢数字表記:一億五千五百四万九百二十

素因数分解:

2 3 × 5 1 × 31 1 × 97 1 × 1289 1

素因数の和:1428
約数の個数: 64
約数和(自身を含む): 364089600
約数和(自身を除く): 209048680

約数列:
[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 97, 124, 155, 194, 248, 310, 388, 485, 620, 776, 970, 1240, 1289, 1940, 2578, 3007, 3880, 5156, 6014, 6445, 10312, 12028, 12890, 15035, 24056, 25780, 30070, 39959, 51560, 60140, 79918, 120280, 125033, 159836, 199795, 250066, 319672, 399590, 500132, 625165, 799180, 1000264, 1250330, 1598360, 2500660, 3876023, 5001320, 7752046, 15504092, 19380115, 31008184, 38760230, 77520460, 155040920]

約数ペア:
[(1, 155040920), (2, 77520460), (4, 38760230), (5, 31008184), (8, 19380115), (10, 15504092), (20, 7752046), (31, 5001320), (40, 3876023), (62, 2500660), (97, 1598360), (124, 1250330), (155, 1000264), (194, 799180), (248, 625165), (310, 500132), (388, 399590), (485, 319672), (620, 250066), (776, 199795), (970, 159836), (1240, 125033), (1289, 120280), (1940, 79918), (2578, 60140), (3007, 51560), (3880, 39959), (5156, 30070), (6014, 25780), (6445, 24056), (10312, 15035), (12028, 12890)]

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