178101420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:324

約数の個数: 192

約数和(自身を含む): 603832320

約数和(自身を除く): 425730900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 103, 105, 115, 138, 140, 161, 179, 206, 210, 230, 276, 309, 322, 345, 358, 412, 420, 460, 483, 515, 537, 618, 644, 690, 716, 721, 805, 895, 966, 1030, 1074, 1236, 1253, 1380, 1442, 1545, 1610, 1790, 1932, 2060, 2148, 2163, 2369, 2415, 2506, 2685, 2884, 3090, 3220, 3580, 3605, 3759, 4117, 4326, 4738, 4830, 5012, 5370, 6180, 6265, 7107, 7210, 7518, 8234, 8652, 9476, 9660, 10740, 10815, 11845, 12351, 12530, 14214, 14420, 15036, 16468, 16583, 18437, 18795, 20585, 21630, 23690, 24702, 25060, 28428, 28819, 33166, 35535, 36874, 37590, 41170, 43260, 47380, 49404, 49749, 55311, 57638, 61755, 66332, 71070, 73748, 75180, 82340, 82915, 86457, 92185, 99498, 110622, 115276, 123510, 129059, 142140, 144095, 165830, 172914, 184370, 198996, 221244, 247020, 248745, 258118, 276555, 288190, 331660, 345828, 368740, 387177, 424051, 432285, 497490, 516236, 553110, 576380, 645295, 774354, 848102, 864570, 994980, 1106220, 1272153, 1290590, 1548708, 1696204, 1729140, 1935885, 2120255, 2544306, 2581180, 2968357, 3871770, 4240510, 5088612, 5936714, 6360765, 7743540, 8481020, 8905071, 11873428, 12721530, 14841785, 17810142, 25443060, 29683570, 35620284, 44525355, 59367140, 89050710, 178101420]

約数ペア:

[(1, 178101420), (2, 89050710), (3, 59367140), (4, 44525355), (5, 35620284), (6, 29683570), (7, 25443060), (10, 17810142), (12, 14841785), (14, 12721530), (15, 11873428), (20, 8905071), (21, 8481020), (23, 7743540), (28, 6360765), (30, 5936714), (35, 5088612), (42, 4240510), (46, 3871770), (60, 2968357), (69, 2581180), (70, 2544306), (84, 2120255), (92, 1935885), (103, 1729140), (105, 1696204), (115, 1548708), (138, 1290590), (140, 1272153), (161, 1106220), (179, 994980), (206, 864570), (210, 848102), (230, 774354), (276, 645295), (309, 576380), (322, 553110), (345, 516236), (358, 497490), (412, 432285), (420, 424051), (460, 387177), (483, 368740), (515, 345828), (537, 331660), (618, 288190), (644, 276555), (690, 258118), (716, 248745), (721, 247020), (805, 221244), (895, 198996), (966, 184370), (1030, 172914), (1074, 165830), (1236, 144095), (1253, 142140), (1380, 129059), (1442, 123510), (1545, 115276), (1610, 110622), (1790, 99498), (1932, 92185), (2060, 86457), (2148, 82915), (2163, 82340), (2369, 75180), (2415, 73748), (2506, 71070), (2685, 66332), (2884, 61755), (3090, 57638), (3220, 55311), (3580, 49749), (3605, 49404), (3759, 47380), (4117, 43260), (4326, 41170), (4738, 37590), (4830, 36874), (5012, 35535), (5370, 33166), (6180, 28819), (6265, 28428), (7107, 25060), (7210, 24702), (7518, 23690), (8234, 21630), (8652, 20585), (9476, 18795), (9660, 18437), (10740, 16583), (10815, 16468), (11845, 15036), (12351, 14420), (12530, 14214)]