About the Number

120901920

120901919 ← → 120901921

2進数表記:111001101001101000100100000

漢数字表記:一億二千九十万千九百二十

素因数分解:

2 5 × 3 1 × 5 1 × 251879 1

素因数の和:251897
約数の個数: 48
約数和(自身を含む): 380842560
約数和(自身を除く): 259940640

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 251879, 503758, 755637, 1007516, 1259395, 1511274, 2015032, 2518790, 3022548, 3778185, 4030064, 5037580, 6045096, 7556370, 8060128, 10075160, 12090192, 15112740, 20150320, 24180384, 30225480, 40300640, 60450960, 120901920]

約数ペア:
[(1, 120901920), (2, 60450960), (3, 40300640), (4, 30225480), (5, 24180384), (6, 20150320), (8, 15112740), (10, 12090192), (12, 10075160), (15, 8060128), (16, 7556370), (20, 6045096), (24, 5037580), (30, 4030064), (32, 3778185), (40, 3022548), (48, 2518790), (60, 2015032), (80, 1511274), (96, 1259395), (120, 1007516), (160, 755637), (240, 503758), (480, 251879)]

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