161370720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{2287}}^1$

素因数の和:2322

約数の個数: 216

約数和(自身を含む): 640864224

約数和(自身を除く): 479493504

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, 2287, 2352, 2520, 2940, 3360, 3528, 3920, 4410, 4574, 4704, 5040, 5880, 6861, 7056, 7840, 8820, 9148, 10080, 11435, 11760, 13722, 14112, 16009, 17640, 18296, 20583, 22870, 23520, 27444, 32018, 34305, 35280, 36592, 41166, 45740, 48027, 54888, 64036, 68610, 70560, 73184, 80045, 82332, 91480, 96054, 102915, 109776, 112063, 128072, 137220, 144081, 160090, 164664, 182960, 192108, 205830, 219552, 224126, 240135, 256144, 274440, 288162, 320180, 329328, 336189, 365920, 384216, 411660, 448252, 480270, 512288, 548880, 560315, 576324, 640360, 658656, 672378, 720405, 768432, 823320, 896504, 960540, 1008567, 1097760, 1120630, 1152648, 1280720, 1344756, 1440810, 1536864, 1646640, 1680945, 1793008, 1921080, 2017134, 2241260, 2305296, 2561440, 2689512, 2881620, 3293280, 3361890, 3586016, 3842160, 4034268, 4482520, 4610592, 5042835, 5379024, 5763240, 6723780, 7684320, 8068536, 8965040, 10085670, 10758048, 11526480, 13447560, 16137072, 17930080, 20171340, 23052960, 26895120, 32274144, 40342680, 53790240, 80685360, 161370720]

約数ペア:

[(1, 161370720), (2, 80685360), (3, 53790240), (4, 40342680), (5, 32274144), (6, 26895120), (7, 23052960), (8, 20171340), (9, 17930080), (10, 16137072), (12, 13447560), (14, 11526480), (15, 10758048), (16, 10085670), (18, 8965040), (20, 8068536), (21, 7684320), (24, 6723780), (28, 5763240), (30, 5379024), (32, 5042835), (35, 4610592), (36, 4482520), (40, 4034268), (42, 3842160), (45, 3586016), (48, 3361890), (49, 3293280), (56, 2881620), (60, 2689512), (63, 2561440), (70, 2305296), (72, 2241260), (80, 2017134), (84, 1921080), (90, 1793008), (96, 1680945), (98, 1646640), (105, 1536864), (112, 1440810), (120, 1344756), (126, 1280720), (140, 1152648), (144, 1120630), (147, 1097760), (160, 1008567), (168, 960540), (180, 896504), (196, 823320), (210, 768432), (224, 720405), (240, 672378), (245, 658656), (252, 640360), (280, 576324), (288, 560315), (294, 548880), (315, 512288), (336, 480270), (360, 448252), (392, 411660), (420, 384216), (441, 365920), (480, 336189), (490, 329328), (504, 320180), (560, 288162), (588, 274440), (630, 256144), (672, 240135), (720, 224126), (735, 219552), (784, 205830), (840, 192108), (882, 182960), (980, 164664), (1008, 160090), (1120, 144081), (1176, 137220), (1260, 128072), (1440, 112063), (1470, 109776), (1568, 102915), (1680, 96054), (1764, 91480), (1960, 82332), (2016, 80045), (2205, 73184), (2287, 70560), (2352, 68610), (2520, 64036), (2940, 54888), (3360, 48027), (3528, 45740), (3920, 41166), (4410, 36592), (4574, 35280), (4704, 34305), (5040, 32018), (5880, 27444), (6861, 23520), (7056, 22870), (7840, 20583), (8820, 18296), (9148, 17640), (10080, 16009), (11435, 14112), (11760, 13722)]