28265760

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{727}}^1$

素因数の和:757

約数の個数: 144

約数和(自身を含む): 100166976

約数和(自身を除く): 71901216

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, 540, 648, 720, 727, 810, 864, 972, 1080, 1215, 1296, 1440, 1454, 1620, 1944, 2160, 2181, 2430, 2592, 2908, 3240, 3635, 3888, 4320, 4362, 4860, 5816, 6480, 6543, 7270, 7776, 8724, 9720, 10905, 11632, 12960, 13086, 14540, 17448, 19440, 19629, 21810, 23264, 26172, 29080, 32715, 34896, 38880, 39258, 43620, 52344, 58160, 58887, 65430, 69792, 78516, 87240, 98145, 104688, 116320, 117774, 130860, 157032, 174480, 176661, 196290, 209376, 235548, 261720, 294435, 314064, 348960, 353322, 392580, 471096, 523440, 588870, 628128, 706644, 785160, 883305, 942192, 1046880, 1177740, 1413288, 1570320, 1766610, 1884384, 2355480, 2826576, 3140640, 3533220, 4710960, 5653152, 7066440, 9421920, 14132880, 28265760]

約数ペア:

[(1, 28265760), (2, 14132880), (3, 9421920), (4, 7066440), (5, 5653152), (6, 4710960), (8, 3533220), (9, 3140640), (10, 2826576), (12, 2355480), (15, 1884384), (16, 1766610), (18, 1570320), (20, 1413288), (24, 1177740), (27, 1046880), (30, 942192), (32, 883305), (36, 785160), (40, 706644), (45, 628128), (48, 588870), (54, 523440), (60, 471096), (72, 392580), (80, 353322), (81, 348960), (90, 314064), (96, 294435), (108, 261720), (120, 235548), (135, 209376), (144, 196290), (160, 176661), (162, 174480), (180, 157032), (216, 130860), (240, 117774), (243, 116320), (270, 104688), (288, 98145), (324, 87240), (360, 78516), (405, 69792), (432, 65430), (480, 58887), (486, 58160), (540, 52344), (648, 43620), (720, 39258), (727, 38880), (810, 34896), (864, 32715), (972, 29080), (1080, 26172), (1215, 23264), (1296, 21810), (1440, 19629), (1454, 19440), (1620, 17448), (1944, 14540), (2160, 13086), (2181, 12960), (2430, 11632), (2592, 10905), (2908, 9720), (3240, 8724), (3635, 7776), (3888, 7270), (4320, 6543), (4362, 6480), (4860, 5816)]