20175714720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{285937}}^1$

素因数の和:285972

約数の個数: 216

約数和(自身を含む): 80090661924

約数和(自身を除く): 59914947204

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, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3920, 4410, 4704, 5040, 5880, 7056, 7840, 8820, 10080, 11760, 14112, 17640, 23520, 35280, 70560, 285937, 571874, 857811, 1143748, 1429685, 1715622, 2001559, 2287496, 2573433, 2859370, 3431244, 4003118, 4289055, 4574992, 5146866, 5718740, 6004677, 6862488, 8006236, 8578110, 9149984, 10007795, 10293732, 11437480, 12009354, 12867165, 13724976, 14010913, 16012472, 17156220, 18014031, 20015590, 20587464, 22874960, 24018708, 25734330, 27449952, 28021826, 30023385, 32024944, 34312440, 36028062, 40031180, 41174928, 42032739, 45749920, 48037416, 51468660, 56043652, 60046770, 64049888, 68624880, 70054565, 72056124, 80062360, 82349856, 84065478, 90070155, 96074832, 102937320, 112087304, 120093540, 126098217, 137249760, 140109130, 144112248, 160124720, 168130956, 180140310, 192149664, 205874640, 210163695, 224174608, 240187080, 252196434, 280218260, 288224496, 320249440, 336261912, 360280620, 411749280, 420327390, 448349216, 480374160, 504392868, 560436520, 576448992, 630491085, 672523824, 720561240, 840654780, 960748320, 1008785736, 1120873040, 1260982170, 1345047648, 1441122480, 1681309560, 2017571472, 2241746080, 2521964340, 2882244960, 3362619120, 4035142944, 5043928680, 6725238240, 10087857360, 20175714720]

約数ペア:

[(1, 20175714720), (2, 10087857360), (3, 6725238240), (4, 5043928680), (5, 4035142944), (6, 3362619120), (7, 2882244960), (8, 2521964340), (9, 2241746080), (10, 2017571472), (12, 1681309560), (14, 1441122480), (15, 1345047648), (16, 1260982170), (18, 1120873040), (20, 1008785736), (21, 960748320), (24, 840654780), (28, 720561240), (30, 672523824), (32, 630491085), (35, 576448992), (36, 560436520), (40, 504392868), (42, 480374160), (45, 448349216), (48, 420327390), (49, 411749280), (56, 360280620), (60, 336261912), (63, 320249440), (70, 288224496), (72, 280218260), (80, 252196434), (84, 240187080), (90, 224174608), (96, 210163695), (98, 205874640), (105, 192149664), (112, 180140310), (120, 168130956), (126, 160124720), (140, 144112248), (144, 140109130), (147, 137249760), (160, 126098217), (168, 120093540), (180, 112087304), (196, 102937320), (210, 96074832), (224, 90070155), (240, 84065478), (245, 82349856), (252, 80062360), (280, 72056124), (288, 70054565), (294, 68624880), (315, 64049888), (336, 60046770), (360, 56043652), (392, 51468660), (420, 48037416), (441, 45749920), (480, 42032739), (490, 41174928), (504, 40031180), (560, 36028062), (588, 34312440), (630, 32024944), (672, 30023385), (720, 28021826), (735, 27449952), (784, 25734330), (840, 24018708), (882, 22874960), (980, 20587464), (1008, 20015590), (1120, 18014031), (1176, 17156220), (1260, 16012472), (1440, 14010913), (1470, 13724976), (1568, 12867165), (1680, 12009354), (1764, 11437480), (1960, 10293732), (2016, 10007795), (2205, 9149984), (2352, 8578110), (2520, 8006236), (2940, 6862488), (3360, 6004677), (3528, 5718740), (3920, 5146866), (4410, 4574992), (4704, 4289055), (5040, 4003118), (5880, 3431244), (7056, 2859370), (7840, 2573433), (8820, 2287496), (10080, 2001559), (11760, 1715622), (14112, 1429685), (17640, 1143748), (23520, 857811), (35280, 571874), (70560, 285937)]