128316960

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{9901}}^1$

素因数の和:9928

約数の個数: 120

約数和(自身を含む): 452897676

約数和(自身を除く): 324580716

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 9901, 12960, 19802, 29703, 39604, 49505, 59406, 79208, 89109, 99010, 118812, 148515, 158416, 178218, 198020, 237624, 267327, 297030, 316832, 356436, 396040, 445545, 475248, 534654, 594060, 712872, 792080, 801981, 891090, 950496, 1069308, 1188120, 1336635, 1425744, 1584160, 1603962, 1782180, 2138616, 2376240, 2673270, 2851488, 3207924, 3564360, 4009905, 4277232, 4752480, 5346540, 6415848, 7128720, 8019810, 8554464, 10693080, 12831696, 14257440, 16039620, 21386160, 25663392, 32079240, 42772320, 64158480, 128316960]

約数ペア:

[(1, 128316960), (2, 64158480), (3, 42772320), (4, 32079240), (5, 25663392), (6, 21386160), (8, 16039620), (9, 14257440), (10, 12831696), (12, 10693080), (15, 8554464), (16, 8019810), (18, 7128720), (20, 6415848), (24, 5346540), (27, 4752480), (30, 4277232), (32, 4009905), (36, 3564360), (40, 3207924), (45, 2851488), (48, 2673270), (54, 2376240), (60, 2138616), (72, 1782180), (80, 1603962), (81, 1584160), (90, 1425744), (96, 1336635), (108, 1188120), (120, 1069308), (135, 950496), (144, 891090), (160, 801981), (162, 792080), (180, 712872), (216, 594060), (240, 534654), (270, 475248), (288, 445545), (324, 396040), (360, 356436), (405, 316832), (432, 297030), (480, 267327), (540, 237624), (648, 198020), (720, 178218), (810, 158416), (864, 148515), (1080, 118812), (1296, 99010), (1440, 89109), (1620, 79208), (2160, 59406), (2592, 49505), (3240, 39604), (4320, 29703), (6480, 19802), (9901, 12960)]