81241262280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{7331}}^1$

素因数の和:7713

約数の個数: 256

約数和(自身を含む): 280422604800

約数和(自身を除く): 199181342520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 331, 360, 372, 465, 540, 558, 620, 662, 744, 837, 930, 993, 1080, 1116, 1240, 1324, 1395, 1655, 1674, 1860, 1986, 2232, 2648, 2790, 2979, 3310, 3348, 3720, 3972, 4185, 4965, 5580, 5958, 6620, 6696, 7331, 7944, 8370, 8937, 9930, 10261, 11160, 11916, 13240, 14662, 14895, 16740, 17874, 19860, 20522, 21993, 23832, 29324, 29790, 30783, 33480, 35748, 36655, 39720, 41044, 43986, 44685, 51305, 58648, 59580, 61566, 65979, 71496, 73310, 82088, 87972, 89370, 92349, 102610, 109965, 119160, 123132, 131958, 146620, 153915, 175944, 178740, 184698, 197937, 205220, 219930, 227261, 246264, 263916, 277047, 293240, 307830, 329895, 357480, 369396, 395874, 410440, 439860, 454522, 461745, 527832, 554094, 615660, 659790, 681783, 738792, 791748, 879720, 909044, 923490, 989685, 1108188, 1136305, 1231320, 1319580, 1363566, 1385235, 1583496, 1818088, 1846980, 1979370, 2045349, 2216376, 2272610, 2426561, 2639160, 2727132, 2770470, 3408915, 3693960, 3958740, 4090698, 4545220, 4853122, 5454264, 5540940, 6136047, 6817830, 7279683, 7917480, 8181396, 9090440, 9706244, 10226745, 11081880, 12132805, 12272094, 13635660, 14559366, 16362792, 19412488, 20453490, 21839049, 24265610, 24544188, 27271320, 29118732, 30680235, 36398415, 40906980, 43678098, 48531220, 49088376, 58237464, 61360470, 65517147, 72796830, 75223391, 81813960, 87356196, 97062440, 109195245, 122720940, 131034294, 145593660, 150446782, 174712392, 218390490, 225670173, 245441880, 262068588, 291187320, 300893564, 327585735, 376116955, 436780980, 451340346, 524137176, 601787128, 655171470, 677010519, 752233910, 873561960, 902680692, 1128350865, 1310342940, 1354021038, 1504467820, 1805361384, 2031031557, 2256701730, 2620685880, 2708042076, 3008935640, 3385052595, 4062063114, 4513403460, 5416084152, 6770105190, 8124126228, 9026806920, 10155157785, 13540210380, 16248252456, 20310315570, 27080420760, 40620631140, 81241262280]

約数ペア:

[(1, 81241262280), (2, 40620631140), (3, 27080420760), (4, 20310315570), (5, 16248252456), (6, 13540210380), (8, 10155157785), (9, 9026806920), (10, 8124126228), (12, 6770105190), (15, 5416084152), (18, 4513403460), (20, 4062063114), (24, 3385052595), (27, 3008935640), (30, 2708042076), (31, 2620685880), (36, 2256701730), (40, 2031031557), (45, 1805361384), (54, 1504467820), (60, 1354021038), (62, 1310342940), (72, 1128350865), (90, 902680692), (93, 873561960), (108, 752233910), (120, 677010519), (124, 655171470), (135, 601787128), (155, 524137176), (180, 451340346), (186, 436780980), (216, 376116955), (248, 327585735), (270, 300893564), (279, 291187320), (310, 262068588), (331, 245441880), (360, 225670173), (372, 218390490), (465, 174712392), (540, 150446782), (558, 145593660), (620, 131034294), (662, 122720940), (744, 109195245), (837, 97062440), (930, 87356196), (993, 81813960), (1080, 75223391), (1116, 72796830), (1240, 65517147), (1324, 61360470), (1395, 58237464), (1655, 49088376), (1674, 48531220), (1860, 43678098), (1986, 40906980), (2232, 36398415), (2648, 30680235), (2790, 29118732), (2979, 27271320), (3310, 24544188), (3348, 24265610), (3720, 21839049), (3972, 20453490), (4185, 19412488), (4965, 16362792), (5580, 14559366), (5958, 13635660), (6620, 12272094), (6696, 12132805), (7331, 11081880), (7944, 10226745), (8370, 9706244), (8937, 9090440), (9930, 8181396), (10261, 7917480), (11160, 7279683), (11916, 6817830), (13240, 6136047), (14662, 5540940), (14895, 5454264), (16740, 4853122), (17874, 4545220), (19860, 4090698), (20522, 3958740), (21993, 3693960), (23832, 3408915), (29324, 2770470), (29790, 2727132), (30783, 2639160), (33480, 2426561), (35748, 2272610), (36655, 2216376), (39720, 2045349), (41044, 1979370), (43986, 1846980), (44685, 1818088), (51305, 1583496), (58648, 1385235), (59580, 1363566), (61566, 1319580), (65979, 1231320), (71496, 1136305), (73310, 1108188), (82088, 989685), (87972, 923490), (89370, 909044), (92349, 879720), (102610, 791748), (109965, 738792), (119160, 681783), (123132, 659790), (131958, 615660), (146620, 554094), (153915, 527832), (175944, 461745), (178740, 454522), (184698, 439860), (197937, 410440), (205220, 395874), (219930, 369396), (227261, 357480), (246264, 329895), (263916, 307830), (277047, 293240)]