About the Number

121157440

121157439 ← → 121157441

2進数表記:111001110001011011101000000

漢数字表記:一億二千百十五万七千四百四十

素因数分解:

2 6 × 5 1 × 67 1 × 5651 1

素因数の和:5735
約数の個数: 56
約数和(自身を含む): 292864032
約数和(自身を除く): 171706592

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 536, 670, 1072, 1340, 2144, 2680, 4288, 5360, 5651, 10720, 11302, 21440, 22604, 28255, 45208, 56510, 90416, 113020, 180832, 226040, 361664, 378617, 452080, 757234, 904160, 1514468, 1808320, 1893085, 3028936, 3786170, 6057872, 7572340, 12115744, 15144680, 24231488, 30289360, 60578720, 121157440]

約数ペア:
[(1, 121157440), (2, 60578720), (4, 30289360), (5, 24231488), (8, 15144680), (10, 12115744), (16, 7572340), (20, 6057872), (32, 3786170), (40, 3028936), (64, 1893085), (67, 1808320), (80, 1514468), (134, 904160), (160, 757234), (268, 452080), (320, 378617), (335, 361664), (536, 226040), (670, 180832), (1072, 113020), (1340, 90416), (2144, 56510), (2680, 45208), (4288, 28255), (5360, 22604), (5651, 21440), (10720, 11302)]

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