247691520

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{2389}}^1$

素因数の和:2422

約数の個数: 180

約数和(自身を含む): 886656540

約数和(自身を除く): 638965020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1620, 1728, 1920, 2160, 2304, 2389, 2592, 2880, 3240, 3456, 3840, 4320, 4778, 5184, 5760, 6480, 6912, 7167, 8640, 9556, 10368, 11520, 11945, 12960, 14334, 17280, 19112, 20736, 21501, 23890, 25920, 28668, 34560, 35835, 38224, 43002, 47780, 51840, 57336, 64503, 71670, 76448, 86004, 95560, 103680, 107505, 114672, 129006, 143340, 152896, 172008, 191120, 193509, 215010, 229344, 258012, 286680, 305792, 322515, 344016, 382240, 387018, 430020, 458688, 516024, 573360, 611584, 645030, 688032, 764480, 774036, 860040, 917376, 967545, 1032048, 1146720, 1290060, 1376064, 1528960, 1548072, 1720080, 1834752, 1935090, 2064096, 2293440, 2580120, 2752128, 3057920, 3096144, 3440160, 3870180, 4128192, 4586880, 5160240, 5504256, 6192288, 6880320, 7740360, 8256384, 9173760, 10320480, 12384576, 13760640, 15480720, 16512768, 20640960, 24769152, 27521280, 30961440, 41281920, 49538304, 61922880, 82563840, 123845760, 247691520]

約数ペア:

[(1, 247691520), (2, 123845760), (3, 82563840), (4, 61922880), (5, 49538304), (6, 41281920), (8, 30961440), (9, 27521280), (10, 24769152), (12, 20640960), (15, 16512768), (16, 15480720), (18, 13760640), (20, 12384576), (24, 10320480), (27, 9173760), (30, 8256384), (32, 7740360), (36, 6880320), (40, 6192288), (45, 5504256), (48, 5160240), (54, 4586880), (60, 4128192), (64, 3870180), (72, 3440160), (80, 3096144), (81, 3057920), (90, 2752128), (96, 2580120), (108, 2293440), (120, 2064096), (128, 1935090), (135, 1834752), (144, 1720080), (160, 1548072), (162, 1528960), (180, 1376064), (192, 1290060), (216, 1146720), (240, 1032048), (256, 967545), (270, 917376), (288, 860040), (320, 774036), (324, 764480), (360, 688032), (384, 645030), (405, 611584), (432, 573360), (480, 516024), (540, 458688), (576, 430020), (640, 387018), (648, 382240), (720, 344016), (768, 322515), (810, 305792), (864, 286680), (960, 258012), (1080, 229344), (1152, 215010), (1280, 193509), (1296, 191120), (1440, 172008), (1620, 152896), (1728, 143340), (1920, 129006), (2160, 114672), (2304, 107505), (2389, 103680), (2592, 95560), (2880, 86004), (3240, 76448), (3456, 71670), (3840, 64503), (4320, 57336), (4778, 51840), (5184, 47780), (5760, 43002), (6480, 38224), (6912, 35835), (7167, 34560), (8640, 28668), (9556, 25920), (10368, 23890), (11520, 21501), (11945, 20736), (12960, 19112), (14334, 17280)]