About the Number

147308640

147308639 ← → 147308641

2進数表記:1000110001111100000001100000

漢数字表記:一億四千七百三十万八千六百四十

素因数分解:

2 5 × 3 1 × 5 1 × 306893 1

素因数の和:306911
約数の個数: 48
約数和(自身を含む): 464023728
約数和(自身を除く): 316715088

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, 306893, 613786, 920679, 1227572, 1534465, 1841358, 2455144, 3068930, 3682716, 4603395, 4910288, 6137860, 7365432, 9206790, 9820576, 12275720, 14730864, 18413580, 24551440, 29461728, 36827160, 49102880, 73654320, 147308640]

約数ペア:
[(1, 147308640), (2, 73654320), (3, 49102880), (4, 36827160), (5, 29461728), (6, 24551440), (8, 18413580), (10, 14730864), (12, 12275720), (15, 9820576), (16, 9206790), (20, 7365432), (24, 6137860), (30, 4910288), (32, 4603395), (40, 3682716), (48, 3068930), (60, 2455144), (80, 1841358), (96, 1534465), (120, 1227572), (160, 920679), (240, 613786), (480, 306893)]

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