640272021840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6247}}^1\times {\mathrm{12941}}^1$

素因数の和:19218

約数の個数: 240

約数和(自身を含む): 2346280649856

約数和(自身を除く): 1706008628016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 6247, 7920, 12494, 12941, 18741, 24988, 25882, 31235, 37482, 38823, 49976, 51764, 56223, 62470, 64705, 68717, 74964, 77646, 93705, 99952, 103528, 112446, 116469, 124940, 129410, 137434, 142351, 149928, 155292, 187410, 194115, 206151, 207056, 224892, 232938, 249880, 258820, 274868, 281115, 284702, 299856, 310584, 343585, 374820, 388230, 412302, 427053, 449784, 465876, 499760, 517640, 549736, 562230, 569404, 582345, 618453, 621168, 687170, 711755, 749640, 776460, 824604, 854106, 899568, 931752, 1030755, 1035280, 1099472, 1124460, 1138808, 1164690, 1236906, 1281159, 1374340, 1423510, 1499280, 1552920, 1649208, 1708212, 1863504, 2061510, 2135265, 2248920, 2277616, 2329380, 2473812, 2562318, 2748680, 2847020, 3092265, 3105840, 3298416, 3416424, 4123020, 4270530, 4497840, 4658760, 4947624, 5124636, 5497360, 5694040, 6184530, 6405795, 6832848, 8246040, 8541060, 9317520, 9895248, 10249272, 11388080, 12369060, 12811590, 16492080, 17082120, 20498544, 24738120, 25623180, 34164240, 49476240, 51246360, 80842427, 102492720, 161684854, 242527281, 323369708, 404212135, 485054562, 646739416, 727581843, 808424270, 889266697, 970109124, 1212636405, 1293478832, 1455163686, 1616848540, 1778533394, 1940218248, 2425272810, 2667800091, 2910327372, 3233697080, 3557066788, 3637909215, 3880436496, 4446333485, 4850545620, 5335600182, 5820654744, 6467394160, 7114133576, 7275818430, 8003400273, 8892666970, 9701091240, 10671200364, 11641309488, 13339000455, 14228267152, 14551636860, 16006800546, 17785333940, 19402182480, 21342400728, 26678000910, 29103273720, 32013601092, 35570667880, 40017001365, 42684801456, 53356001820, 58206547440, 64027202184, 71141335760, 80034002730, 106712003640, 128054404368, 160068005460, 213424007280, 320136010920, 640272021840]

約数ペア:

[(1, 640272021840), (2, 320136010920), (3, 213424007280), (4, 160068005460), (5, 128054404368), (6, 106712003640), (8, 80034002730), (9, 71141335760), (10, 64027202184), (11, 58206547440), (12, 53356001820), (15, 42684801456), (16, 40017001365), (18, 35570667880), (20, 32013601092), (22, 29103273720), (24, 26678000910), (30, 21342400728), (33, 19402182480), (36, 17785333940), (40, 16006800546), (44, 14551636860), (45, 14228267152), (48, 13339000455), (55, 11641309488), (60, 10671200364), (66, 9701091240), (72, 8892666970), (80, 8003400273), (88, 7275818430), (90, 7114133576), (99, 6467394160), (110, 5820654744), (120, 5335600182), (132, 4850545620), (144, 4446333485), (165, 3880436496), (176, 3637909215), (180, 3557066788), (198, 3233697080), (220, 2910327372), (240, 2667800091), (264, 2425272810), (330, 1940218248), (360, 1778533394), (396, 1616848540), (440, 1455163686), (495, 1293478832), (528, 1212636405), (660, 970109124), (720, 889266697), (792, 808424270), (880, 727581843), (990, 646739416), (1320, 485054562), (1584, 404212135), (1980, 323369708), (2640, 242527281), (3960, 161684854), (6247, 102492720), (7920, 80842427), (12494, 51246360), (12941, 49476240), (18741, 34164240), (24988, 25623180), (25882, 24738120), (31235, 20498544), (37482, 17082120), (38823, 16492080), (49976, 12811590), (51764, 12369060), (56223, 11388080), (62470, 10249272), (64705, 9895248), (68717, 9317520), (74964, 8541060), (77646, 8246040), (93705, 6832848), (99952, 6405795), (103528, 6184530), (112446, 5694040), (116469, 5497360), (124940, 5124636), (129410, 4947624), (137434, 4658760), (142351, 4497840), (149928, 4270530), (155292, 4123020), (187410, 3416424), (194115, 3298416), (206151, 3105840), (207056, 3092265), (224892, 2847020), (232938, 2748680), (249880, 2562318), (258820, 2473812), (274868, 2329380), (281115, 2277616), (284702, 2248920), (299856, 2135265), (310584, 2061510), (343585, 1863504), (374820, 1708212), (388230, 1649208), (412302, 1552920), (427053, 1499280), (449784, 1423510), (465876, 1374340), (499760, 1281159), (517640, 1236906), (549736, 1164690), (562230, 1138808), (569404, 1124460), (582345, 1099472), (618453, 1035280), (621168, 1030755), (687170, 931752), (711755, 899568), (749640, 854106), (776460, 824604)]