20201557680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{118387}}^1$

素因数の和:118488

約数の個数: 160

約数和(自身を含む): 70464537600

約数和(自身を除く): 50262979920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 79, 80, 90, 108, 120, 135, 144, 158, 180, 216, 237, 240, 270, 316, 360, 395, 432, 474, 540, 632, 711, 720, 790, 948, 1080, 1185, 1264, 1422, 1580, 1896, 2133, 2160, 2370, 2844, 3160, 3555, 3792, 4266, 4740, 5688, 6320, 7110, 8532, 9480, 10665, 11376, 14220, 17064, 18960, 21330, 28440, 34128, 42660, 56880, 85320, 118387, 170640, 236774, 355161, 473548, 591935, 710322, 947096, 1065483, 1183870, 1420644, 1775805, 1894192, 2130966, 2367740, 2841288, 3196449, 3551610, 4261932, 4735480, 5327415, 5682576, 6392898, 7103220, 8523864, 9352573, 9470960, 10654830, 12785796, 14206440, 15982245, 17047728, 18705146, 21309660, 25571592, 28057719, 28412880, 31964490, 37410292, 42619320, 46762865, 51143184, 56115438, 63928980, 74820584, 84173157, 85238640, 93525730, 112230876, 127857960, 140288595, 149641168, 168346314, 187051460, 224461752, 252519471, 255715920, 280577190, 336692628, 374102920, 420865785, 448923504, 505038942, 561154380, 673385256, 748205840, 841731570, 1010077884, 1122308760, 1262597355, 1346770512, 1683463140, 2020155768, 2244617520, 2525194710, 3366926280, 4040311536, 5050389420, 6733852560, 10100778840, 20201557680]

約数ペア:

[(1, 20201557680), (2, 10100778840), (3, 6733852560), (4, 5050389420), (5, 4040311536), (6, 3366926280), (8, 2525194710), (9, 2244617520), (10, 2020155768), (12, 1683463140), (15, 1346770512), (16, 1262597355), (18, 1122308760), (20, 1010077884), (24, 841731570), (27, 748205840), (30, 673385256), (36, 561154380), (40, 505038942), (45, 448923504), (48, 420865785), (54, 374102920), (60, 336692628), (72, 280577190), (79, 255715920), (80, 252519471), (90, 224461752), (108, 187051460), (120, 168346314), (135, 149641168), (144, 140288595), (158, 127857960), (180, 112230876), (216, 93525730), (237, 85238640), (240, 84173157), (270, 74820584), (316, 63928980), (360, 56115438), (395, 51143184), (432, 46762865), (474, 42619320), (540, 37410292), (632, 31964490), (711, 28412880), (720, 28057719), (790, 25571592), (948, 21309660), (1080, 18705146), (1185, 17047728), (1264, 15982245), (1422, 14206440), (1580, 12785796), (1896, 10654830), (2133, 9470960), (2160, 9352573), (2370, 8523864), (2844, 7103220), (3160, 6392898), (3555, 5682576), (3792, 5327415), (4266, 4735480), (4740, 4261932), (5688, 3551610), (6320, 3196449), (7110, 2841288), (8532, 2367740), (9480, 2130966), (10665, 1894192), (11376, 1775805), (14220, 1420644), (17064, 1183870), (18960, 1065483), (21330, 947096), (28440, 710322), (34128, 591935), (42660, 473548), (56880, 355161), (85320, 236774), (118387, 170640)]