209394720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:285

約数の個数: 240

約数和(自身を含む): 750835008

約数和(自身を除く): 541440288

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, 72, 80, 81, 90, 96, 107, 108, 120, 135, 144, 151, 160, 162, 180, 214, 216, 240, 270, 288, 302, 321, 324, 360, 405, 428, 432, 453, 480, 535, 540, 604, 642, 648, 720, 755, 810, 856, 864, 906, 963, 1070, 1080, 1208, 1284, 1296, 1359, 1440, 1510, 1605, 1620, 1712, 1812, 1926, 2140, 2160, 2265, 2416, 2568, 2592, 2718, 2889, 3020, 3210, 3240, 3424, 3624, 3852, 4077, 4280, 4320, 4530, 4815, 4832, 5136, 5436, 5778, 6040, 6420, 6480, 6795, 7248, 7704, 8154, 8560, 8667, 9060, 9630, 10272, 10872, 11556, 12080, 12231, 12840, 12960, 13590, 14445, 14496, 15408, 16157, 16308, 17120, 17334, 18120, 19260, 20385, 21744, 23112, 24160, 24462, 25680, 27180, 28890, 30816, 32314, 32616, 34668, 36240, 38520, 40770, 43335, 43488, 46224, 48471, 48924, 51360, 54360, 57780, 61155, 64628, 65232, 69336, 72480, 77040, 80785, 81540, 86670, 92448, 96942, 97848, 108720, 115560, 122310, 129256, 130464, 138672, 145413, 154080, 161570, 163080, 173340, 193884, 195696, 217440, 231120, 242355, 244620, 258512, 277344, 290826, 323140, 326160, 346680, 387768, 391392, 436239, 462240, 484710, 489240, 517024, 581652, 646280, 652320, 693360, 727065, 775536, 872478, 969420, 978480, 1163304, 1292560, 1308717, 1386720, 1454130, 1551072, 1744956, 1938840, 1956960, 2181195, 2326608, 2585120, 2617434, 2908260, 3489912, 3877680, 4362390, 4653216, 5234868, 5816520, 6543585, 6979824, 7755360, 8724780, 10469736, 11633040, 13087170, 13959648, 17449560, 20939472, 23266080, 26174340, 34899120, 41878944, 52348680, 69798240, 104697360, 209394720]

約数ペア:

[(1, 209394720), (2, 104697360), (3, 69798240), (4, 52348680), (5, 41878944), (6, 34899120), (8, 26174340), (9, 23266080), (10, 20939472), (12, 17449560), (15, 13959648), (16, 13087170), (18, 11633040), (20, 10469736), (24, 8724780), (27, 7755360), (30, 6979824), (32, 6543585), (36, 5816520), (40, 5234868), (45, 4653216), (48, 4362390), (54, 3877680), (60, 3489912), (72, 2908260), (80, 2617434), (81, 2585120), (90, 2326608), (96, 2181195), (107, 1956960), (108, 1938840), (120, 1744956), (135, 1551072), (144, 1454130), (151, 1386720), (160, 1308717), (162, 1292560), (180, 1163304), (214, 978480), (216, 969420), (240, 872478), (270, 775536), (288, 727065), (302, 693360), (321, 652320), (324, 646280), (360, 581652), (405, 517024), (428, 489240), (432, 484710), (453, 462240), (480, 436239), (535, 391392), (540, 387768), (604, 346680), (642, 326160), (648, 323140), (720, 290826), (755, 277344), (810, 258512), (856, 244620), (864, 242355), (906, 231120), (963, 217440), (1070, 195696), (1080, 193884), (1208, 173340), (1284, 163080), (1296, 161570), (1359, 154080), (1440, 145413), (1510, 138672), (1605, 130464), (1620, 129256), (1712, 122310), (1812, 115560), (1926, 108720), (2140, 97848), (2160, 96942), (2265, 92448), (2416, 86670), (2568, 81540), (2592, 80785), (2718, 77040), (2889, 72480), (3020, 69336), (3210, 65232), (3240, 64628), (3424, 61155), (3624, 57780), (3852, 54360), (4077, 51360), (4280, 48924), (4320, 48471), (4530, 46224), (4815, 43488), (4832, 43335), (5136, 40770), (5436, 38520), (5778, 36240), (6040, 34668), (6420, 32616), (6480, 32314), (6795, 30816), (7248, 28890), (7704, 27180), (8154, 25680), (8560, 24462), (8667, 24160), (9060, 23112), (9630, 21744), (10272, 20385), (10872, 19260), (11556, 18120), (12080, 17334), (12231, 17120), (12840, 16308), (12960, 16157), (13590, 15408), (14445, 14496)]