About the Number

71280240

71280239 ← → 71280241

2進数表記:100001111111010011001110000

漢数字表記:七千百二十八万二百四十

素因数分解:

2 4 × 3 1 × 5 1 × 43 1 × 6907 1

素因数の和:6966
約数の個数: 80
約数和(自身を含む): 226140288
約数和(自身を除く): 154860048

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 6907, 10320, 13814, 20721, 27628, 34535, 41442, 55256, 69070, 82884, 103605, 110512, 138140, 165768, 207210, 276280, 297001, 331536, 414420, 552560, 594002, 828840, 891003, 1188004, 1485005, 1657680, 1782006, 2376008, 2970010, 3564012, 4455015, 4752016, 5940020, 7128024, 8910030, 11880040, 14256048, 17820060, 23760080, 35640120, 71280240]

約数ペア:
[(1, 71280240), (2, 35640120), (3, 23760080), (4, 17820060), (5, 14256048), (6, 11880040), (8, 8910030), (10, 7128024), (12, 5940020), (15, 4752016), (16, 4455015), (20, 3564012), (24, 2970010), (30, 2376008), (40, 1782006), (43, 1657680), (48, 1485005), (60, 1188004), (80, 891003), (86, 828840), (120, 594002), (129, 552560), (172, 414420), (215, 331536), (240, 297001), (258, 276280), (344, 207210), (430, 165768), (516, 138140), (645, 110512), (688, 103605), (860, 82884), (1032, 69070), (1290, 55256), (1720, 41442), (2064, 34535), (2580, 27628), (3440, 20721), (5160, 13814), (6907, 10320)]

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