216205920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:358

約数の個数: 288

約数和(自身を含む): 856215360

約数和(自身を除く): 640009440

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, 56, 60, 63, 70, 72, 80, 84, 89, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 178, 180, 210, 224, 240, 241, 252, 267, 280, 288, 315, 336, 356, 360, 420, 445, 480, 482, 504, 534, 560, 623, 630, 672, 712, 720, 723, 801, 840, 890, 964, 1008, 1068, 1120, 1205, 1246, 1260, 1335, 1424, 1440, 1446, 1602, 1680, 1687, 1780, 1869, 1928, 2016, 2136, 2169, 2410, 2492, 2520, 2670, 2848, 2892, 3115, 3204, 3360, 3374, 3560, 3615, 3738, 3856, 4005, 4272, 4338, 4820, 4984, 5040, 5061, 5340, 5607, 5784, 6230, 6408, 6748, 7120, 7230, 7476, 7712, 8010, 8435, 8544, 8676, 9345, 9640, 9968, 10080, 10122, 10680, 10845, 11214, 11568, 12460, 12816, 13496, 14240, 14460, 14952, 15183, 16020, 16870, 17352, 18690, 19280, 19936, 20244, 21360, 21449, 21690, 22428, 23136, 24920, 25305, 25632, 26992, 28035, 28920, 29904, 30366, 32040, 33740, 34704, 37380, 38560, 40488, 42720, 42898, 43380, 44856, 49840, 50610, 53984, 56070, 57840, 59808, 60732, 64080, 64347, 67480, 69408, 74760, 75915, 80976, 85796, 86760, 89712, 99680, 101220, 107245, 112140, 115680, 121464, 128160, 128694, 134960, 149520, 150143, 151830, 161952, 171592, 173520, 179424, 193041, 202440, 214490, 224280, 242928, 257388, 269920, 299040, 300286, 303660, 321735, 343184, 347040, 386082, 404880, 428980, 448560, 450429, 485856, 514776, 600572, 607320, 643470, 686368, 750715, 772164, 809760, 857960, 897120, 900858, 965205, 1029552, 1201144, 1214640, 1286940, 1351287, 1501430, 1544328, 1715920, 1801716, 1930410, 2059104, 2252145, 2402288, 2429280, 2573880, 2702574, 3002860, 3088656, 3431840, 3603432, 3860820, 4504290, 4804576, 5147760, 5405148, 6005720, 6177312, 6756435, 7206864, 7721640, 9008580, 10295520, 10810296, 12011440, 13512870, 14413728, 15443280, 18017160, 21620592, 24022880, 27025740, 30886560, 36034320, 43241184, 54051480, 72068640, 108102960, 216205920]

約数ペア:

[(1, 216205920), (2, 108102960), (3, 72068640), (4, 54051480), (5, 43241184), (6, 36034320), (7, 30886560), (8, 27025740), (9, 24022880), (10, 21620592), (12, 18017160), (14, 15443280), (15, 14413728), (16, 13512870), (18, 12011440), (20, 10810296), (21, 10295520), (24, 9008580), (28, 7721640), (30, 7206864), (32, 6756435), (35, 6177312), (36, 6005720), (40, 5405148), (42, 5147760), (45, 4804576), (48, 4504290), (56, 3860820), (60, 3603432), (63, 3431840), (70, 3088656), (72, 3002860), (80, 2702574), (84, 2573880), (89, 2429280), (90, 2402288), (96, 2252145), (105, 2059104), (112, 1930410), (120, 1801716), (126, 1715920), (140, 1544328), (144, 1501430), (160, 1351287), (168, 1286940), (178, 1214640), (180, 1201144), (210, 1029552), (224, 965205), (240, 900858), (241, 897120), (252, 857960), (267, 809760), (280, 772164), (288, 750715), (315, 686368), (336, 643470), (356, 607320), (360, 600572), (420, 514776), (445, 485856), (480, 450429), (482, 448560), (504, 428980), (534, 404880), (560, 386082), (623, 347040), (630, 343184), (672, 321735), (712, 303660), (720, 300286), (723, 299040), (801, 269920), (840, 257388), (890, 242928), (964, 224280), (1008, 214490), (1068, 202440), (1120, 193041), (1205, 179424), (1246, 173520), (1260, 171592), (1335, 161952), (1424, 151830), (1440, 150143), (1446, 149520), (1602, 134960), (1680, 128694), (1687, 128160), (1780, 121464), (1869, 115680), (1928, 112140), (2016, 107245), (2136, 101220), (2169, 99680), (2410, 89712), (2492, 86760), (2520, 85796), (2670, 80976), (2848, 75915), (2892, 74760), (3115, 69408), (3204, 67480), (3360, 64347), (3374, 64080), (3560, 60732), (3615, 59808), (3738, 57840), (3856, 56070), (4005, 53984), (4272, 50610), (4338, 49840), (4820, 44856), (4984, 43380), (5040, 42898), (5061, 42720), (5340, 40488), (5607, 38560), (5784, 37380), (6230, 34704), (6408, 33740), (6748, 32040), (7120, 30366), (7230, 29904), (7476, 28920), (7712, 28035), (8010, 26992), (8435, 25632), (8544, 25305), (8676, 24920), (9345, 23136), (9640, 22428), (9968, 21690), (10080, 21449), (10122, 21360), (10680, 20244), (10845, 19936), (11214, 19280), (11568, 18690), (12460, 17352), (12816, 16870), (13496, 16020), (14240, 15183), (14460, 14952)]