20855020320

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{72053}}^1$

素因数の和:72144

約数の個数: 192

約数和(自身を含む): 74083040640

約数和(自身を除く): 53228020320

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, 67, 72, 80, 90, 96, 108, 120, 134, 135, 144, 160, 180, 201, 216, 240, 268, 270, 288, 335, 360, 402, 432, 480, 536, 540, 603, 670, 720, 804, 864, 1005, 1072, 1080, 1206, 1340, 1440, 1608, 1809, 2010, 2144, 2160, 2412, 2680, 3015, 3216, 3618, 4020, 4320, 4824, 5360, 6030, 6432, 7236, 8040, 9045, 9648, 10720, 12060, 14472, 16080, 18090, 19296, 24120, 28944, 32160, 36180, 48240, 57888, 72053, 72360, 96480, 144106, 144720, 216159, 288212, 289440, 360265, 432318, 576424, 648477, 720530, 864636, 1080795, 1152848, 1296954, 1441060, 1729272, 1945431, 2161590, 2305696, 2593908, 2882120, 3242385, 3458544, 3890862, 4323180, 4827551, 5187816, 5764240, 6484770, 6917088, 7781724, 8646360, 9655102, 9727155, 10375632, 11528480, 12969540, 14482653, 15563448, 17292720, 19310204, 19454310, 20751264, 24137755, 25939080, 28965306, 31126896, 34585440, 38620408, 38908620, 43447959, 48275510, 51878160, 57930612, 62253792, 72413265, 77240816, 77817240, 86895918, 96551020, 103756320, 115861224, 130343877, 144826530, 154481632, 155634480, 173791836, 193102040, 217239795, 231722448, 260687754, 289653060, 311268960, 347583672, 386204080, 434479590, 463444896, 521375508, 579306120, 651719385, 695167344, 772408160, 868959180, 1042751016, 1158612240, 1303438770, 1390334688, 1737918360, 2085502032, 2317224480, 2606877540, 3475836720, 4171004064, 5213755080, 6951673440, 10427510160, 20855020320]

約数ペア:

[(1, 20855020320), (2, 10427510160), (3, 6951673440), (4, 5213755080), (5, 4171004064), (6, 3475836720), (8, 2606877540), (9, 2317224480), (10, 2085502032), (12, 1737918360), (15, 1390334688), (16, 1303438770), (18, 1158612240), (20, 1042751016), (24, 868959180), (27, 772408160), (30, 695167344), (32, 651719385), (36, 579306120), (40, 521375508), (45, 463444896), (48, 434479590), (54, 386204080), (60, 347583672), (67, 311268960), (72, 289653060), (80, 260687754), (90, 231722448), (96, 217239795), (108, 193102040), (120, 173791836), (134, 155634480), (135, 154481632), (144, 144826530), (160, 130343877), (180, 115861224), (201, 103756320), (216, 96551020), (240, 86895918), (268, 77817240), (270, 77240816), (288, 72413265), (335, 62253792), (360, 57930612), (402, 51878160), (432, 48275510), (480, 43447959), (536, 38908620), (540, 38620408), (603, 34585440), (670, 31126896), (720, 28965306), (804, 25939080), (864, 24137755), (1005, 20751264), (1072, 19454310), (1080, 19310204), (1206, 17292720), (1340, 15563448), (1440, 14482653), (1608, 12969540), (1809, 11528480), (2010, 10375632), (2144, 9727155), (2160, 9655102), (2412, 8646360), (2680, 7781724), (3015, 6917088), (3216, 6484770), (3618, 5764240), (4020, 5187816), (4320, 4827551), (4824, 4323180), (5360, 3890862), (6030, 3458544), (6432, 3242385), (7236, 2882120), (8040, 2593908), (9045, 2305696), (9648, 2161590), (10720, 1945431), (12060, 1729272), (14472, 1441060), (16080, 1296954), (18090, 1152848), (19296, 1080795), (24120, 864636), (28944, 720530), (32160, 648477), (36180, 576424), (48240, 432318), (57888, 360265), (72053, 289440), (72360, 288212), (96480, 216159), (144106, 144720)]