About the Number

118081980

118081979 ← → 118081981

2進数表記:111000010011100100110111100

漢数字表記:一億千八百八万千九百八十

素因数分解:

2 2 × 3 2 × 5 1 × 97 1 × 6763 1

素因数の和:6875
約数の個数: 72
約数和(自身を含む): 361928112
約数和(自身を除く): 243846132

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 4365, 5820, 6763, 8730, 13526, 17460, 20289, 27052, 33815, 40578, 60867, 67630, 81156, 101445, 121734, 135260, 202890, 243468, 304335, 405780, 608670, 656011, 1217340, 1312022, 1968033, 2624044, 3280055, 3936066, 5904099, 6560110, 7872132, 9840165, 11808198, 13120220, 19680330, 23616396, 29520495, 39360660, 59040990, 118081980]

約数ペア:
[(1, 118081980), (2, 59040990), (3, 39360660), (4, 29520495), (5, 23616396), (6, 19680330), (9, 13120220), (10, 11808198), (12, 9840165), (15, 7872132), (18, 6560110), (20, 5904099), (30, 3936066), (36, 3280055), (45, 2624044), (60, 1968033), (90, 1312022), (97, 1217340), (180, 656011), (194, 608670), (291, 405780), (388, 304335), (485, 243468), (582, 202890), (873, 135260), (970, 121734), (1164, 101445), (1455, 81156), (1746, 67630), (1940, 60867), (2910, 40578), (3492, 33815), (4365, 27052), (5820, 20289), (6763, 17460), (8730, 13526)]

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