About the Number

1521306080

1521306079 ← → 1521306081

2進数表記:1011010101011010100100111100000

漢数字表記:十五億二千百三十万六千八十

素因数分解:

2 5 × 5 1 × 7 1 × 1358309 1

素因数の和:1358331
約数の個数: 48
約数和(自身を含む): 4107529440
約数和(自身を除く): 2586223360

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 1358309, 2716618, 5433236, 6791545, 9508163, 10866472, 13583090, 19016326, 21732944, 27166180, 38032652, 43465888, 47540815, 54332360, 76065304, 95081630, 108664720, 152130608, 190163260, 217329440, 304261216, 380326520, 760653040, 1521306080]

約数ペア:
[(1, 1521306080), (2, 760653040), (4, 380326520), (5, 304261216), (7, 217329440), (8, 190163260), (10, 152130608), (14, 108664720), (16, 95081630), (20, 76065304), (28, 54332360), (32, 47540815), (35, 43465888), (40, 38032652), (56, 27166180), (70, 21732944), (80, 19016326), (112, 13583090), (140, 10866472), (160, 9508163), (224, 6791545), (280, 5433236), (560, 2716618), (1120, 1358309)]

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