278439840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1201}}^1$

素因数の和:1252

約数の個数: 288

約数和(自身を含む): 1134072576

約数和(自身を除く): 855632736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 96, 105, 112, 115, 120, 126, 138, 140, 144, 160, 161, 168, 180, 184, 207, 210, 224, 230, 240, 252, 276, 280, 288, 315, 322, 336, 345, 360, 368, 414, 420, 460, 480, 483, 504, 552, 560, 630, 644, 672, 690, 720, 736, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1120, 1201, 1260, 1288, 1380, 1440, 1449, 1610, 1656, 1680, 1840, 1932, 2016, 2070, 2208, 2402, 2415, 2520, 2576, 2760, 2898, 3220, 3312, 3360, 3603, 3680, 3864, 4140, 4804, 4830, 5040, 5152, 5520, 5796, 6005, 6440, 6624, 7206, 7245, 7728, 8280, 8407, 9608, 9660, 10080, 10809, 11040, 11592, 12010, 12880, 14412, 14490, 15456, 16560, 16814, 18015, 19216, 19320, 21618, 23184, 24020, 25221, 25760, 27623, 28824, 28980, 33120, 33628, 36030, 38432, 38640, 42035, 43236, 46368, 48040, 50442, 54045, 55246, 57648, 57960, 67256, 72060, 75663, 77280, 82869, 84070, 86472, 96080, 100884, 108090, 110492, 115296, 115920, 126105, 134512, 138115, 144120, 151326, 165738, 168140, 172944, 192160, 193361, 201768, 216180, 220984, 231840, 248607, 252210, 269024, 276230, 288240, 302652, 331476, 336280, 345888, 378315, 386722, 403536, 414345, 432360, 441968, 497214, 504420, 552460, 576480, 580083, 605304, 662952, 672560, 756630, 773444, 807072, 828690, 864720, 883936, 966805, 994428, 1008840, 1104920, 1160166, 1210608, 1243035, 1325904, 1345120, 1513260, 1546888, 1657380, 1729440, 1740249, 1933610, 1988856, 2017680, 2209840, 2320332, 2421216, 2486070, 2651808, 2900415, 3026520, 3093776, 3314760, 3480498, 3867220, 3977712, 4035360, 4419680, 4640664, 4972140, 5800830, 6053040, 6187552, 6629520, 6960996, 7734440, 7955424, 8701245, 9281328, 9944280, 11601660, 12106080, 13259040, 13921992, 15468880, 17402490, 18562656, 19888560, 23203320, 27843984, 30937760, 34804980, 39777120, 46406640, 55687968, 69609960, 92813280, 139219920, 278439840]

約数ペア:

[(1, 278439840), (2, 139219920), (3, 92813280), (4, 69609960), (5, 55687968), (6, 46406640), (7, 39777120), (8, 34804980), (9, 30937760), (10, 27843984), (12, 23203320), (14, 19888560), (15, 18562656), (16, 17402490), (18, 15468880), (20, 13921992), (21, 13259040), (23, 12106080), (24, 11601660), (28, 9944280), (30, 9281328), (32, 8701245), (35, 7955424), (36, 7734440), (40, 6960996), (42, 6629520), (45, 6187552), (46, 6053040), (48, 5800830), (56, 4972140), (60, 4640664), (63, 4419680), (69, 4035360), (70, 3977712), (72, 3867220), (80, 3480498), (84, 3314760), (90, 3093776), (92, 3026520), (96, 2900415), (105, 2651808), (112, 2486070), (115, 2421216), (120, 2320332), (126, 2209840), (138, 2017680), (140, 1988856), (144, 1933610), (160, 1740249), (161, 1729440), (168, 1657380), (180, 1546888), (184, 1513260), (207, 1345120), (210, 1325904), (224, 1243035), (230, 1210608), (240, 1160166), (252, 1104920), (276, 1008840), (280, 994428), (288, 966805), (315, 883936), (322, 864720), (336, 828690), (345, 807072), (360, 773444), (368, 756630), (414, 672560), (420, 662952), (460, 605304), (480, 580083), (483, 576480), (504, 552460), (552, 504420), (560, 497214), (630, 441968), (644, 432360), (672, 414345), (690, 403536), (720, 386722), (736, 378315), (805, 345888), (828, 336280), (840, 331476), (920, 302652), (966, 288240), (1008, 276230), (1035, 269024), (1104, 252210), (1120, 248607), (1201, 231840), (1260, 220984), (1288, 216180), (1380, 201768), (1440, 193361), (1449, 192160), (1610, 172944), (1656, 168140), (1680, 165738), (1840, 151326), (1932, 144120), (2016, 138115), (2070, 134512), (2208, 126105), (2402, 115920), (2415, 115296), (2520, 110492), (2576, 108090), (2760, 100884), (2898, 96080), (3220, 86472), (3312, 84070), (3360, 82869), (3603, 77280), (3680, 75663), (3864, 72060), (4140, 67256), (4804, 57960), (4830, 57648), (5040, 55246), (5152, 54045), (5520, 50442), (5796, 48040), (6005, 46368), (6440, 43236), (6624, 42035), (7206, 38640), (7245, 38432), (7728, 36030), (8280, 33628), (8407, 33120), (9608, 28980), (9660, 28824), (10080, 27623), (10809, 25760), (11040, 25221), (11592, 24020), (12010, 23184), (12880, 21618), (14412, 19320), (14490, 19216), (15456, 18015), (16560, 16814)]