About the Number

120721728

120721727 ← → 120721729

2進数表記:111001100100001000101000000

漢数字表記:一億二千七十二万千七百二十八

素因数分解:

2 6 × 3 1 × 628759 1

素因数の和:628774
約数の個数: 28
約数和(自身を含む): 319410080
約数和(自身を除く): 198688352

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 628759, 1257518, 1886277, 2515036, 3772554, 5030072, 7545108, 10060144, 15090216, 20120288, 30180432, 40240576, 60360864, 120721728]

約数ペア:
[(1, 120721728), (2, 60360864), (3, 40240576), (4, 30180432), (6, 20120288), (8, 15090216), (12, 10060144), (16, 7545108), (24, 5030072), (32, 3772554), (48, 2515036), (64, 1886277), (96, 1257518), (192, 628759)]

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