725840640

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{9001}}^1$

素因数の和:9035

約数の個数: 216

約数和(自身を含む): 2870413728

約数和(自身を除く): 2144573088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 9001, 10080, 11520, 13440, 16128, 18002, 20160, 26880, 27003, 36004, 40320, 45005, 54006, 63007, 72008, 80640, 81009, 90010, 108012, 126014, 135015, 144016, 162018, 180020, 189021, 216024, 252028, 270030, 288032, 315035, 324036, 360040, 378042, 405045, 432048, 504056, 540060, 567063, 576064, 630070, 648072, 720080, 756084, 810090, 864096, 945105, 1008112, 1080120, 1134126, 1152128, 1260140, 1296144, 1440160, 1512168, 1620180, 1728192, 1890210, 2016224, 2160240, 2268252, 2304256, 2520280, 2592288, 2835315, 2880320, 3024336, 3240360, 3456384, 3780420, 4032448, 4320480, 4536504, 5040560, 5184576, 5670630, 5760640, 6048672, 6480720, 6912768, 7560840, 8064896, 8640960, 9073008, 10081120, 10369152, 11341260, 11521280, 12097344, 12961440, 15121680, 16129792, 17281920, 18146016, 20162240, 20738304, 22682520, 24194688, 25922880, 30243360, 34563840, 36292032, 40324480, 45365040, 48389376, 51845760, 60486720, 72584064, 80648960, 90730080, 103691520, 120973440, 145168128, 181460160, 241946880, 362920320, 725840640]

約数ペア:

[(1, 725840640), (2, 362920320), (3, 241946880), (4, 181460160), (5, 145168128), (6, 120973440), (7, 103691520), (8, 90730080), (9, 80648960), (10, 72584064), (12, 60486720), (14, 51845760), (15, 48389376), (16, 45365040), (18, 40324480), (20, 36292032), (21, 34563840), (24, 30243360), (28, 25922880), (30, 24194688), (32, 22682520), (35, 20738304), (36, 20162240), (40, 18146016), (42, 17281920), (45, 16129792), (48, 15121680), (56, 12961440), (60, 12097344), (63, 11521280), (64, 11341260), (70, 10369152), (72, 10081120), (80, 9073008), (84, 8640960), (90, 8064896), (96, 7560840), (105, 6912768), (112, 6480720), (120, 6048672), (126, 5760640), (128, 5670630), (140, 5184576), (144, 5040560), (160, 4536504), (168, 4320480), (180, 4032448), (192, 3780420), (210, 3456384), (224, 3240360), (240, 3024336), (252, 2880320), (256, 2835315), (280, 2592288), (288, 2520280), (315, 2304256), (320, 2268252), (336, 2160240), (360, 2016224), (384, 1890210), (420, 1728192), (448, 1620180), (480, 1512168), (504, 1440160), (560, 1296144), (576, 1260140), (630, 1152128), (640, 1134126), (672, 1080120), (720, 1008112), (768, 945105), (840, 864096), (896, 810090), (960, 756084), (1008, 720080), (1120, 648072), (1152, 630070), (1260, 576064), (1280, 567063), (1344, 540060), (1440, 504056), (1680, 432048), (1792, 405045), (1920, 378042), (2016, 360040), (2240, 324036), (2304, 315035), (2520, 288032), (2688, 270030), (2880, 252028), (3360, 216024), (3840, 189021), (4032, 180020), (4480, 162018), (5040, 144016), (5376, 135015), (5760, 126014), (6720, 108012), (8064, 90010), (8960, 81009), (9001, 80640), (10080, 72008), (11520, 63007), (13440, 54006), (16128, 45005), (18002, 40320), (20160, 36004), (26880, 27003)]