128639000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 256

約数和(自身を含む): 388177920

約数和(自身を除く): 259538920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 25, 28, 34, 35, 40, 46, 47, 50, 56, 68, 70, 85, 92, 94, 100, 115, 119, 125, 136, 140, 161, 170, 175, 184, 188, 200, 230, 235, 238, 250, 280, 322, 329, 340, 350, 376, 391, 425, 460, 470, 476, 500, 575, 595, 644, 658, 680, 700, 782, 799, 805, 850, 875, 920, 940, 952, 1000, 1081, 1150, 1175, 1190, 1288, 1316, 1400, 1564, 1598, 1610, 1645, 1700, 1750, 1880, 1955, 2125, 2162, 2300, 2350, 2380, 2632, 2737, 2875, 2975, 3128, 3196, 3220, 3290, 3400, 3500, 3910, 3995, 4025, 4250, 4324, 4600, 4700, 4760, 5405, 5474, 5593, 5750, 5875, 5950, 6392, 6440, 6580, 7000, 7567, 7820, 7990, 8050, 8225, 8500, 8648, 9400, 9775, 10810, 10948, 11186, 11500, 11750, 11900, 13160, 13685, 14875, 15134, 15640, 15980, 16100, 16450, 17000, 18377, 19550, 19975, 20125, 21620, 21896, 22372, 23000, 23500, 23800, 27025, 27370, 27965, 29750, 30268, 31960, 32200, 32900, 36754, 37835, 39100, 39950, 40250, 41125, 43240, 44744, 47000, 48875, 54050, 54740, 55930, 59500, 60536, 65800, 68425, 73508, 75670, 78200, 79900, 80500, 82250, 91885, 97750, 99875, 108100, 109480, 111860, 119000, 128639, 135125, 136850, 139825, 147016, 151340, 159800, 161000, 164500, 183770, 189175, 195500, 199750, 216200, 223720, 257278, 270250, 273700, 279650, 302680, 329000, 342125, 367540, 378350, 391000, 399500, 459425, 514556, 540500, 547400, 559300, 643195, 684250, 699125, 735080, 756700, 799000, 918850, 945875, 1029112, 1081000, 1118600, 1286390, 1368500, 1398250, 1513400, 1837700, 1891750, 2297125, 2572780, 2737000, 2796500, 3215975, 3675400, 3783500, 4594250, 5145560, 5593000, 6431950, 7567000, 9188500, 12863900, 16079875, 18377000, 25727800, 32159750, 64319500, 128639000]

約数ペア:

[(1, 128639000), (2, 64319500), (4, 32159750), (5, 25727800), (7, 18377000), (8, 16079875), (10, 12863900), (14, 9188500), (17, 7567000), (20, 6431950), (23, 5593000), (25, 5145560), (28, 4594250), (34, 3783500), (35, 3675400), (40, 3215975), (46, 2796500), (47, 2737000), (50, 2572780), (56, 2297125), (68, 1891750), (70, 1837700), (85, 1513400), (92, 1398250), (94, 1368500), (100, 1286390), (115, 1118600), (119, 1081000), (125, 1029112), (136, 945875), (140, 918850), (161, 799000), (170, 756700), (175, 735080), (184, 699125), (188, 684250), (200, 643195), (230, 559300), (235, 547400), (238, 540500), (250, 514556), (280, 459425), (322, 399500), (329, 391000), (340, 378350), (350, 367540), (376, 342125), (391, 329000), (425, 302680), (460, 279650), (470, 273700), (476, 270250), (500, 257278), (575, 223720), (595, 216200), (644, 199750), (658, 195500), (680, 189175), (700, 183770), (782, 164500), (799, 161000), (805, 159800), (850, 151340), (875, 147016), (920, 139825), (940, 136850), (952, 135125), (1000, 128639), (1081, 119000), (1150, 111860), (1175, 109480), (1190, 108100), (1288, 99875), (1316, 97750), (1400, 91885), (1564, 82250), (1598, 80500), (1610, 79900), (1645, 78200), (1700, 75670), (1750, 73508), (1880, 68425), (1955, 65800), (2125, 60536), (2162, 59500), (2300, 55930), (2350, 54740), (2380, 54050), (2632, 48875), (2737, 47000), (2875, 44744), (2975, 43240), (3128, 41125), (3196, 40250), (3220, 39950), (3290, 39100), (3400, 37835), (3500, 36754), (3910, 32900), (3995, 32200), (4025, 31960), (4250, 30268), (4324, 29750), (4600, 27965), (4700, 27370), (4760, 27025), (5405, 23800), (5474, 23500), (5593, 23000), (5750, 22372), (5875, 21896), (5950, 21620), (6392, 20125), (6440, 19975), (6580, 19550), (7000, 18377), (7567, 17000), (7820, 16450), (7990, 16100), (8050, 15980), (8225, 15640), (8500, 15134), (8648, 14875), (9400, 13685), (9775, 13160), (10810, 11900), (10948, 11750), (11186, 11500)]