About the Number

131028840

131028839 ← → 131028841

2進数表記:111110011110101011101101000

漢数字表記:一億三千百二万八千八百四十

素因数分解:

2 3 × 3 4 × 5 1 × 37 1 × 1093 1

素因数の和:1153
約数の個数: 160
約数和(自身を含む): 452719080
約数和(自身を除く): 321690240

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 81, 90, 108, 111, 120, 135, 148, 162, 180, 185, 216, 222, 270, 296, 324, 333, 360, 370, 405, 444, 540, 555, 648, 666, 740, 810, 888, 999, 1080, 1093, 1110, 1332, 1480, 1620, 1665, 1998, 2186, 2220, 2664, 2997, 3240, 3279, 3330, 3996, 4372, 4440, 4995, 5465, 5994, 6558, 6660, 7992, 8744, 9837, 9990, 10930, 11988, 13116, 13320, 14985, 16395, 19674, 19980, 21860, 23976, 26232, 29511, 29970, 32790, 39348, 39960, 40441, 43720, 49185, 59022, 59940, 65580, 78696, 80882, 88533, 98370, 118044, 119880, 121323, 131160, 147555, 161764, 177066, 196740, 202205, 236088, 242646, 295110, 323528, 354132, 363969, 393480, 404410, 442665, 485292, 590220, 606615, 708264, 727938, 808820, 885330, 970584, 1091907, 1180440, 1213230, 1455876, 1617640, 1770660, 1819845, 2183814, 2426460, 2911752, 3275721, 3541320, 3639690, 4367628, 4852920, 5459535, 6551442, 7279380, 8735256, 10919070, 13102884, 14558760, 16378605, 21838140, 26205768, 32757210, 43676280, 65514420, 131028840]

約数ペア:
[(1, 131028840), (2, 65514420), (3, 43676280), (4, 32757210), (5, 26205768), (6, 21838140), (8, 16378605), (9, 14558760), (10, 13102884), (12, 10919070), (15, 8735256), (18, 7279380), (20, 6551442), (24, 5459535), (27, 4852920), (30, 4367628), (36, 3639690), (37, 3541320), (40, 3275721), (45, 2911752), (54, 2426460), (60, 2183814), (72, 1819845), (74, 1770660), (81, 1617640), (90, 1455876), (108, 1213230), (111, 1180440), (120, 1091907), (135, 970584), (148, 885330), (162, 808820), (180, 727938), (185, 708264), (216, 606615), (222, 590220), (270, 485292), (296, 442665), (324, 404410), (333, 393480), (360, 363969), (370, 354132), (405, 323528), (444, 295110), (540, 242646), (555, 236088), (648, 202205), (666, 196740), (740, 177066), (810, 161764), (888, 147555), (999, 131160), (1080, 121323), (1093, 119880), (1110, 118044), (1332, 98370), (1480, 88533), (1620, 80882), (1665, 78696), (1998, 65580), (2186, 59940), (2220, 59022), (2664, 49185), (2997, 43720), (3240, 40441), (3279, 39960), (3330, 39348), (3996, 32790), (4372, 29970), (4440, 29511), (4995, 26232), (5465, 23976), (5994, 21860), (6558, 19980), (6660, 19674), (7992, 16395), (8744, 14985), (9837, 13320), (9990, 13116), (10930, 11988)]

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