1278965600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 288

約数和(自身を含む): 3644766720

約数和(自身を除く): 2365801120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 32, 40, 44, 46, 50, 55, 71, 80, 88, 89, 92, 100, 110, 115, 142, 160, 176, 178, 184, 200, 220, 230, 253, 275, 284, 352, 355, 356, 368, 400, 440, 445, 460, 506, 550, 568, 575, 710, 712, 736, 781, 800, 880, 890, 920, 979, 1012, 1100, 1136, 1150, 1265, 1420, 1424, 1562, 1633, 1760, 1775, 1780, 1840, 1958, 2024, 2047, 2200, 2225, 2272, 2300, 2530, 2840, 2848, 3124, 3266, 3550, 3560, 3680, 3905, 3916, 4048, 4094, 4400, 4450, 4600, 4895, 5060, 5680, 6248, 6319, 6325, 6532, 7100, 7120, 7810, 7832, 8096, 8165, 8188, 8800, 8900, 9200, 9790, 10120, 10235, 11360, 12496, 12638, 12650, 13064, 14200, 14240, 15620, 15664, 16330, 16376, 17800, 17963, 18400, 19525, 19580, 20240, 20470, 22517, 24475, 24992, 25276, 25300, 26128, 28400, 31240, 31328, 31595, 32660, 32752, 35600, 35926, 39050, 39160, 40480, 40825, 40940, 45034, 48950, 50552, 50600, 51175, 52256, 56800, 62480, 63190, 65320, 65504, 69509, 71200, 71852, 78100, 78320, 81650, 81880, 89815, 90068, 97900, 101104, 101200, 102350, 112585, 124960, 126380, 130640, 139018, 143704, 145337, 156200, 156640, 157975, 163300, 163760, 179630, 180136, 195800, 202208, 202400, 204700, 225170, 252760, 261280, 278036, 287408, 290674, 312400, 315950, 326600, 327520, 347545, 359260, 360272, 391600, 409400, 449075, 450340, 505520, 556072, 562925, 574816, 581348, 624800, 631900, 653200, 695090, 718520, 720544, 726685, 783200, 818800, 898150, 900680, 1011040, 1112144, 1125850, 1162696, 1263800, 1306400, 1390180, 1437040, 1453370, 1598707, 1637600, 1737725, 1796300, 1801360, 2224288, 2251700, 2325392, 2527600, 2780360, 2874080, 2906740, 3197414, 3475450, 3592600, 3602720, 3633425, 4503400, 4650784, 5055200, 5560720, 5813480, 6394828, 6950900, 7185200, 7266850, 7993535, 9006800, 11121440, 11626960, 12789656, 13901800, 14370400, 14533700, 15987070, 18013600, 23253920, 25579312, 27803600, 29067400, 31974140, 39967675, 51158624, 55607200, 58134800, 63948280, 79935350, 116269600, 127896560, 159870700, 255793120, 319741400, 639482800, 1278965600]

約数ペア:

[(1, 1278965600), (2, 639482800), (4, 319741400), (5, 255793120), (8, 159870700), (10, 127896560), (11, 116269600), (16, 79935350), (20, 63948280), (22, 58134800), (23, 55607200), (25, 51158624), (32, 39967675), (40, 31974140), (44, 29067400), (46, 27803600), (50, 25579312), (55, 23253920), (71, 18013600), (80, 15987070), (88, 14533700), (89, 14370400), (92, 13901800), (100, 12789656), (110, 11626960), (115, 11121440), (142, 9006800), (160, 7993535), (176, 7266850), (178, 7185200), (184, 6950900), (200, 6394828), (220, 5813480), (230, 5560720), (253, 5055200), (275, 4650784), (284, 4503400), (352, 3633425), (355, 3602720), (356, 3592600), (368, 3475450), (400, 3197414), (440, 2906740), (445, 2874080), (460, 2780360), (506, 2527600), (550, 2325392), (568, 2251700), (575, 2224288), (710, 1801360), (712, 1796300), (736, 1737725), (781, 1637600), (800, 1598707), (880, 1453370), (890, 1437040), (920, 1390180), (979, 1306400), (1012, 1263800), (1100, 1162696), (1136, 1125850), (1150, 1112144), (1265, 1011040), (1420, 900680), (1424, 898150), (1562, 818800), (1633, 783200), (1760, 726685), (1775, 720544), (1780, 718520), (1840, 695090), (1958, 653200), (2024, 631900), (2047, 624800), (2200, 581348), (2225, 574816), (2272, 562925), (2300, 556072), (2530, 505520), (2840, 450340), (2848, 449075), (3124, 409400), (3266, 391600), (3550, 360272), (3560, 359260), (3680, 347545), (3905, 327520), (3916, 326600), (4048, 315950), (4094, 312400), (4400, 290674), (4450, 287408), (4600, 278036), (4895, 261280), (5060, 252760), (5680, 225170), (6248, 204700), (6319, 202400), (6325, 202208), (6532, 195800), (7100, 180136), (7120, 179630), (7810, 163760), (7832, 163300), (8096, 157975), (8165, 156640), (8188, 156200), (8800, 145337), (8900, 143704), (9200, 139018), (9790, 130640), (10120, 126380), (10235, 124960), (11360, 112585), (12496, 102350), (12638, 101200), (12650, 101104), (13064, 97900), (14200, 90068), (14240, 89815), (15620, 81880), (15664, 81650), (16330, 78320), (16376, 78100), (17800, 71852), (17963, 71200), (18400, 69509), (19525, 65504), (19580, 65320), (20240, 63190), (20470, 62480), (22517, 56800), (24475, 52256), (24992, 51175), (25276, 50600), (25300, 50552), (26128, 48950), (28400, 45034), (31240, 40940), (31328, 40825), (31595, 40480), (32660, 39160), (32752, 39050), (35600, 35926)]