394981920

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{10159}}^1$

素因数の和:10189

約数の個数: 144

約数和(自身を含む): 1397934720

約数和(自身を除く): 1002952800

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, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 6480, 7776, 9720, 10159, 12960, 19440, 20318, 30477, 38880, 40636, 50795, 60954, 81272, 91431, 101590, 121908, 152385, 162544, 182862, 203180, 243816, 274293, 304770, 325088, 365724, 406360, 457155, 487632, 548586, 609540, 731448, 812720, 822879, 914310, 975264, 1097172, 1219080, 1371465, 1462896, 1625440, 1645758, 1828620, 2194344, 2438160, 2468637, 2742930, 2925792, 3291516, 3657240, 4114395, 4388688, 4876320, 4937274, 5485860, 6583032, 7314480, 8228790, 8777376, 9874548, 10971720, 12343185, 13166064, 14628960, 16457580, 19749096, 21943440, 24686370, 26332128, 32915160, 39498192, 43886880, 49372740, 65830320, 78996384, 98745480, 131660640, 197490960, 394981920]

約数ペア:

[(1, 394981920), (2, 197490960), (3, 131660640), (4, 98745480), (5, 78996384), (6, 65830320), (8, 49372740), (9, 43886880), (10, 39498192), (12, 32915160), (15, 26332128), (16, 24686370), (18, 21943440), (20, 19749096), (24, 16457580), (27, 14628960), (30, 13166064), (32, 12343185), (36, 10971720), (40, 9874548), (45, 8777376), (48, 8228790), (54, 7314480), (60, 6583032), (72, 5485860), (80, 4937274), (81, 4876320), (90, 4388688), (96, 4114395), (108, 3657240), (120, 3291516), (135, 2925792), (144, 2742930), (160, 2468637), (162, 2438160), (180, 2194344), (216, 1828620), (240, 1645758), (243, 1625440), (270, 1462896), (288, 1371465), (324, 1219080), (360, 1097172), (405, 975264), (432, 914310), (480, 822879), (486, 812720), (540, 731448), (648, 609540), (720, 548586), (810, 487632), (864, 457155), (972, 406360), (1080, 365724), (1215, 325088), (1296, 304770), (1440, 274293), (1620, 243816), (1944, 203180), (2160, 182862), (2430, 162544), (2592, 152385), (3240, 121908), (3888, 101590), (4320, 91431), (4860, 81272), (6480, 60954), (7776, 50795), (9720, 40636), (10159, 38880), (12960, 30477), (19440, 20318)]