20105100720

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7549}}^1$

素因数の和:7714

約数の個数: 240

約数和(自身を含む): 70540797600

約数和(自身を除く): 50435696880

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, 80, 81, 90, 108, 120, 135, 137, 144, 162, 180, 216, 240, 243, 270, 274, 324, 360, 405, 411, 432, 486, 540, 548, 648, 685, 720, 810, 822, 972, 1080, 1096, 1215, 1233, 1296, 1370, 1620, 1644, 1944, 2055, 2160, 2192, 2430, 2466, 2740, 3240, 3288, 3699, 3888, 4110, 4860, 4932, 5480, 6165, 6480, 6576, 7398, 7549, 8220, 9720, 9864, 10960, 11097, 12330, 14796, 15098, 16440, 18495, 19440, 19728, 22194, 22647, 24660, 29592, 30196, 32880, 33291, 36990, 37745, 44388, 45294, 49320, 55485, 59184, 60392, 66582, 67941, 73980, 75490, 88776, 90588, 98640, 110970, 113235, 120784, 133164, 135882, 147960, 150980, 166455, 177552, 181176, 203823, 221940, 226470, 266328, 271764, 295920, 301960, 332910, 339705, 362352, 407646, 443880, 452940, 532656, 543528, 603920, 611469, 665820, 679410, 815292, 887760, 905880, 1019115, 1034213, 1087056, 1222938, 1331640, 1358820, 1630584, 1811760, 1834407, 2038230, 2068426, 2445876, 2663280, 2717640, 3057345, 3102639, 3261168, 3668814, 4076460, 4136852, 4891752, 5171065, 5435280, 6114690, 6205278, 7337628, 8152920, 8273704, 9172035, 9307917, 9783504, 10342130, 12229380, 12410556, 14675256, 15513195, 16305840, 16547408, 18344070, 18615834, 20684260, 24458760, 24821112, 27923751, 29350512, 31026390, 36688140, 37231668, 41368520, 46539585, 48917520, 49642224, 55847502, 62052780, 73376280, 74463336, 82737040, 83771253, 93079170, 111695004, 124105560, 139618755, 146752560, 148926672, 167542506, 186158340, 223390008, 248211120, 251313759, 279237510, 335085012, 372316680, 418856265, 446780016, 502627518, 558475020, 670170024, 744633360, 837712530, 1005255036, 1116950040, 1256568795, 1340340048, 1675425060, 2010510072, 2233900080, 2513137590, 3350850120, 4021020144, 5026275180, 6701700240, 10052550360, 20105100720]

約数ペア:

[(1, 20105100720), (2, 10052550360), (3, 6701700240), (4, 5026275180), (5, 4021020144), (6, 3350850120), (8, 2513137590), (9, 2233900080), (10, 2010510072), (12, 1675425060), (15, 1340340048), (16, 1256568795), (18, 1116950040), (20, 1005255036), (24, 837712530), (27, 744633360), (30, 670170024), (36, 558475020), (40, 502627518), (45, 446780016), (48, 418856265), (54, 372316680), (60, 335085012), (72, 279237510), (80, 251313759), (81, 248211120), (90, 223390008), (108, 186158340), (120, 167542506), (135, 148926672), (137, 146752560), (144, 139618755), (162, 124105560), (180, 111695004), (216, 93079170), (240, 83771253), (243, 82737040), (270, 74463336), (274, 73376280), (324, 62052780), (360, 55847502), (405, 49642224), (411, 48917520), (432, 46539585), (486, 41368520), (540, 37231668), (548, 36688140), (648, 31026390), (685, 29350512), (720, 27923751), (810, 24821112), (822, 24458760), (972, 20684260), (1080, 18615834), (1096, 18344070), (1215, 16547408), (1233, 16305840), (1296, 15513195), (1370, 14675256), (1620, 12410556), (1644, 12229380), (1944, 10342130), (2055, 9783504), (2160, 9307917), (2192, 9172035), (2430, 8273704), (2466, 8152920), (2740, 7337628), (3240, 6205278), (3288, 6114690), (3699, 5435280), (3888, 5171065), (4110, 4891752), (4860, 4136852), (4932, 4076460), (5480, 3668814), (6165, 3261168), (6480, 3102639), (6576, 3057345), (7398, 2717640), (7549, 2663280), (8220, 2445876), (9720, 2068426), (9864, 2038230), (10960, 1834407), (11097, 1811760), (12330, 1630584), (14796, 1358820), (15098, 1331640), (16440, 1222938), (18495, 1087056), (19440, 1034213), (19728, 1019115), (22194, 905880), (22647, 887760), (24660, 815292), (29592, 679410), (30196, 665820), (32880, 611469), (33291, 603920), (36990, 543528), (37745, 532656), (44388, 452940), (45294, 443880), (49320, 407646), (55485, 362352), (59184, 339705), (60392, 332910), (66582, 301960), (67941, 295920), (73980, 271764), (75490, 266328), (88776, 226470), (90588, 221940), (98640, 203823), (110970, 181176), (113235, 177552), (120784, 166455), (133164, 150980), (135882, 147960)]