About the Number

85428720

85428719 ← → 85428721

2進数表記:101000101111000100111110000

漢数字表記:八千五百四十二万八千七百二十

素因数分解:

2 4 × 3 2 × 5 1 × 13 1 × 9127 1

素因数の和:9159
約数の個数: 120
約数和(自身を含む): 309001056
約数和(自身を除く): 223572336

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 9127, 9360, 18254, 27381, 36508, 45635, 54762, 73016, 82143, 91270, 109524, 118651, 136905, 146032, 164286, 182540, 219048, 237302, 273810, 328572, 355953, 365080, 410715, 438096, 474604, 547620, 593255, 657144, 711906, 730160, 821430, 949208, 1067859, 1095240, 1186510, 1314288, 1423812, 1642860, 1779765, 1898416, 2135718, 2190480, 2373020, 2847624, 3285720, 3559530, 4271436, 4746040, 5339295, 5695248, 6571440, 7119060, 8542872, 9492080, 10678590, 14238120, 17085744, 21357180, 28476240, 42714360, 85428720]

約数ペア:
[(1, 85428720), (2, 42714360), (3, 28476240), (4, 21357180), (5, 17085744), (6, 14238120), (8, 10678590), (9, 9492080), (10, 8542872), (12, 7119060), (13, 6571440), (15, 5695248), (16, 5339295), (18, 4746040), (20, 4271436), (24, 3559530), (26, 3285720), (30, 2847624), (36, 2373020), (39, 2190480), (40, 2135718), (45, 1898416), (48, 1779765), (52, 1642860), (60, 1423812), (65, 1314288), (72, 1186510), (78, 1095240), (80, 1067859), (90, 949208), (104, 821430), (117, 730160), (120, 711906), (130, 657144), (144, 593255), (156, 547620), (180, 474604), (195, 438096), (208, 410715), (234, 365080), (240, 355953), (260, 328572), (312, 273810), (360, 237302), (390, 219048), (468, 182540), (520, 164286), (585, 146032), (624, 136905), (720, 118651), (780, 109524), (936, 91270), (1040, 82143), (1170, 73016), (1560, 54762), (1872, 45635), (2340, 36508), (3120, 27381), (4680, 18254), (9127, 9360)]

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