257380111440

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1281263}}^1$

素因数の和:1281319

約数の個数: 200

約数和(自身を含む): 922756082688

約数和(自身を除く): 665375971248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 108, 120, 124, 135, 144, 155, 162, 180, 186, 216, 240, 248, 270, 279, 310, 324, 360, 372, 405, 432, 465, 496, 540, 558, 620, 648, 720, 744, 810, 837, 930, 1080, 1116, 1240, 1296, 1395, 1488, 1620, 1674, 1860, 2160, 2232, 2480, 2511, 2790, 3240, 3348, 3720, 4185, 4464, 5022, 5580, 6480, 6696, 7440, 8370, 10044, 11160, 12555, 13392, 16740, 20088, 22320, 25110, 33480, 40176, 50220, 66960, 100440, 200880, 1281263, 2562526, 3843789, 5125052, 6406315, 7687578, 10250104, 11531367, 12812630, 15375156, 19218945, 20500208, 23062734, 25625260, 30750312, 34594101, 38437890, 39719153, 46125468, 51250520, 57656835, 61500624, 69188202, 76875780, 79438306, 92250936, 102501040, 103782303, 115313670, 119157459, 138376404, 153751560, 158876612, 172970505, 184501872, 198595765, 207564606, 230627340, 238314918, 276752808, 307503120, 317753224, 345941010, 357472377, 397191530, 415129212, 461254680, 476629836, 518911515, 553505616, 595787295, 635506448, 691882020, 714944754, 794383060, 830258424, 922509360, 953259672, 1037823030, 1072417131, 1191574590, 1383764040, 1429889508, 1588766120, 1660516848, 1787361885, 1906519344, 2075646060, 2144834262, 2383149180, 2767528080, 2859779016, 3177532240, 3217251393, 3574723770, 4151292120, 4289668524, 4766298360, 5362085655, 5719558032, 6434502786, 7149447540, 8302584240, 8579337048, 9532596720, 10724171310, 12869005572, 14298895080, 16086256965, 17158674096, 21448342620, 25738011144, 28597790160, 32172513930, 42896685240, 51476022288, 64345027860, 85793370480, 128690055720, 257380111440]

約数ペア:

[(1, 257380111440), (2, 128690055720), (3, 85793370480), (4, 64345027860), (5, 51476022288), (6, 42896685240), (8, 32172513930), (9, 28597790160), (10, 25738011144), (12, 21448342620), (15, 17158674096), (16, 16086256965), (18, 14298895080), (20, 12869005572), (24, 10724171310), (27, 9532596720), (30, 8579337048), (31, 8302584240), (36, 7149447540), (40, 6434502786), (45, 5719558032), (48, 5362085655), (54, 4766298360), (60, 4289668524), (62, 4151292120), (72, 3574723770), (80, 3217251393), (81, 3177532240), (90, 2859779016), (93, 2767528080), (108, 2383149180), (120, 2144834262), (124, 2075646060), (135, 1906519344), (144, 1787361885), (155, 1660516848), (162, 1588766120), (180, 1429889508), (186, 1383764040), (216, 1191574590), (240, 1072417131), (248, 1037823030), (270, 953259672), (279, 922509360), (310, 830258424), (324, 794383060), (360, 714944754), (372, 691882020), (405, 635506448), (432, 595787295), (465, 553505616), (496, 518911515), (540, 476629836), (558, 461254680), (620, 415129212), (648, 397191530), (720, 357472377), (744, 345941010), (810, 317753224), (837, 307503120), (930, 276752808), (1080, 238314918), (1116, 230627340), (1240, 207564606), (1296, 198595765), (1395, 184501872), (1488, 172970505), (1620, 158876612), (1674, 153751560), (1860, 138376404), (2160, 119157459), (2232, 115313670), (2480, 103782303), (2511, 102501040), (2790, 92250936), (3240, 79438306), (3348, 76875780), (3720, 69188202), (4185, 61500624), (4464, 57656835), (5022, 51250520), (5580, 46125468), (6480, 39719153), (6696, 38437890), (7440, 34594101), (8370, 30750312), (10044, 25625260), (11160, 23062734), (12555, 20500208), (13392, 19218945), (16740, 15375156), (20088, 12812630), (22320, 11531367), (25110, 10250104), (33480, 7687578), (40176, 6406315), (50220, 5125052), (66960, 3843789), (100440, 2562526), (200880, 1281263)]