About the Number

128744640

128744639 ← → 128744641

2進数表記:111101011000111110011000000

漢数字表記:一億二千八百七十四万四千六百四十

素因数分解:

2 6 × 3 4 × 5 1 × 4967 1

素因数の和:4996
約数の個数: 140
約数和(自身を含む): 458059536
約数和(自身を除く): 329314896

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 4967, 5184, 6480, 8640, 9934, 12960, 14901, 19868, 24835, 25920, 29802, 39736, 44703, 49670, 59604, 74505, 79472, 89406, 99340, 119208, 134109, 149010, 158944, 178812, 198680, 223515, 238416, 268218, 298020, 317888, 357624, 397360, 402327, 447030, 476832, 536436, 596040, 670545, 715248, 794720, 804654, 894060, 953664, 1072872, 1192080, 1341090, 1430496, 1589440, 1609308, 1788120, 2011635, 2145744, 2384160, 2682180, 2860992, 3218616, 3576240, 4023270, 4291488, 4768320, 5364360, 6437232, 7152480, 8046540, 8582976, 10728720, 12874464, 14304960, 16093080, 21457440, 25748928, 32186160, 42914880, 64372320, 128744640]

約数ペア:
[(1, 128744640), (2, 64372320), (3, 42914880), (4, 32186160), (5, 25748928), (6, 21457440), (8, 16093080), (9, 14304960), (10, 12874464), (12, 10728720), (15, 8582976), (16, 8046540), (18, 7152480), (20, 6437232), (24, 5364360), (27, 4768320), (30, 4291488), (32, 4023270), (36, 3576240), (40, 3218616), (45, 2860992), (48, 2682180), (54, 2384160), (60, 2145744), (64, 2011635), (72, 1788120), (80, 1609308), (81, 1589440), (90, 1430496), (96, 1341090), (108, 1192080), (120, 1072872), (135, 953664), (144, 894060), (160, 804654), (162, 794720), (180, 715248), (192, 670545), (216, 596040), (240, 536436), (270, 476832), (288, 447030), (320, 402327), (324, 397360), (360, 357624), (405, 317888), (432, 298020), (480, 268218), (540, 238416), (576, 223515), (648, 198680), (720, 178812), (810, 158944), (864, 149010), (960, 134109), (1080, 119208), (1296, 99340), (1440, 89406), (1620, 79472), (1728, 74505), (2160, 59604), (2592, 49670), (2880, 44703), (3240, 39736), (4320, 29802), (4967, 25920), (5184, 24835), (6480, 19868), (8640, 14901), (9934, 12960)]

このpageの処理時間: 0.015017032623291016 seconds