About the Number

130485720

130485719 ← → 130485721

2進数表記:111110001110000110111011000

漢数字表記:一億三千四十八万五千七百二十

素因数分解:

2 3 × 3 1 × 5 1 × 1087381 1

素因数の和:1087395
約数の個数: 32
約数和(自身を含む): 391457520
約数和(自身を除く): 260971800

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1087381, 2174762, 3262143, 4349524, 5436905, 6524286, 8699048, 10873810, 13048572, 16310715, 21747620, 26097144, 32621430, 43495240, 65242860, 130485720]

約数ペア:
[(1, 130485720), (2, 65242860), (3, 43495240), (4, 32621430), (5, 26097144), (6, 21747620), (8, 16310715), (10, 13048572), (12, 10873810), (15, 8699048), (20, 6524286), (24, 5436905), (30, 4349524), (40, 3262143), (60, 2174762), (120, 1087381)]

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