About the Number

72480

72479 ← → 72481

2進数表記:10001101100100000

漢数字表記:七万二千四百八十

素因数分解:

2 5 × 3 1 × 5 1 × 151 1

素因数の和:169
約数の個数: 48
約数和(自身を含む): 229824
約数和(自身を除く): 157344

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 151, 160, 240, 302, 453, 480, 604, 755, 906, 1208, 1510, 1812, 2265, 2416, 3020, 3624, 4530, 4832, 6040, 7248, 9060, 12080, 14496, 18120, 24160, 36240, 72480]

約数ペア:
[(1, 72480), (2, 36240), (3, 24160), (4, 18120), (5, 14496), (6, 12080), (8, 9060), (10, 7248), (12, 6040), (15, 4832), (16, 4530), (20, 3624), (24, 3020), (30, 2416), (32, 2265), (40, 1812), (48, 1510), (60, 1208), (80, 906), (96, 755), (120, 604), (151, 480), (160, 453), (240, 302)]

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