19556640

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{503}}^1$

素因数の和:533

約数の個数: 144

約数和(自身を含む): 69346368

約数和(自身を除く): 49789728

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, 243, 270, 288, 324, 360, 405, 432, 480, 486, 503, 540, 648, 720, 810, 864, 972, 1006, 1080, 1215, 1296, 1440, 1509, 1620, 1944, 2012, 2160, 2430, 2515, 2592, 3018, 3240, 3888, 4024, 4320, 4527, 4860, 5030, 6036, 6480, 7545, 7776, 8048, 9054, 9720, 10060, 12072, 12960, 13581, 15090, 16096, 18108, 19440, 20120, 22635, 24144, 27162, 30180, 36216, 38880, 40240, 40743, 45270, 48288, 54324, 60360, 67905, 72432, 80480, 81486, 90540, 108648, 120720, 122229, 135810, 144864, 162972, 181080, 203715, 217296, 241440, 244458, 271620, 325944, 362160, 407430, 434592, 488916, 543240, 611145, 651888, 724320, 814860, 977832, 1086480, 1222290, 1303776, 1629720, 1955664, 2172960, 2444580, 3259440, 3911328, 4889160, 6518880, 9778320, 19556640]

約数ペア:

[(1, 19556640), (2, 9778320), (3, 6518880), (4, 4889160), (5, 3911328), (6, 3259440), (8, 2444580), (9, 2172960), (10, 1955664), (12, 1629720), (15, 1303776), (16, 1222290), (18, 1086480), (20, 977832), (24, 814860), (27, 724320), (30, 651888), (32, 611145), (36, 543240), (40, 488916), (45, 434592), (48, 407430), (54, 362160), (60, 325944), (72, 271620), (80, 244458), (81, 241440), (90, 217296), (96, 203715), (108, 181080), (120, 162972), (135, 144864), (144, 135810), (160, 122229), (162, 120720), (180, 108648), (216, 90540), (240, 81486), (243, 80480), (270, 72432), (288, 67905), (324, 60360), (360, 54324), (405, 48288), (432, 45270), (480, 40743), (486, 40240), (503, 38880), (540, 36216), (648, 30180), (720, 27162), (810, 24144), (864, 22635), (972, 20120), (1006, 19440), (1080, 18108), (1215, 16096), (1296, 15090), (1440, 13581), (1509, 12960), (1620, 12072), (1944, 10060), (2012, 9720), (2160, 9054), (2430, 8048), (2515, 7776), (2592, 7545), (3018, 6480), (3240, 6036), (3888, 5030), (4024, 4860), (4320, 4527)]