256522560

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:733

約数の個数: 224

約数和(自身を含む): 948049920

約数和(自身を除く): 691527360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 59, 60, 64, 70, 80, 84, 96, 105, 112, 118, 120, 140, 160, 168, 177, 192, 210, 224, 236, 240, 280, 295, 320, 336, 354, 413, 420, 448, 472, 480, 560, 590, 647, 672, 708, 826, 840, 885, 944, 960, 1120, 1180, 1239, 1294, 1344, 1416, 1652, 1680, 1770, 1888, 1941, 2065, 2240, 2360, 2478, 2588, 2832, 3235, 3304, 3360, 3540, 3776, 3882, 4130, 4529, 4720, 4956, 5176, 5664, 6195, 6470, 6608, 6720, 7080, 7764, 8260, 9058, 9440, 9705, 9912, 10352, 11328, 12390, 12940, 13216, 13587, 14160, 15528, 16520, 18116, 18880, 19410, 19824, 20704, 22645, 24780, 25880, 26432, 27174, 28320, 31056, 33040, 36232, 38173, 38820, 39648, 41408, 45290, 49560, 51760, 54348, 56640, 62112, 66080, 67935, 72464, 76346, 77640, 79296, 90580, 99120, 103520, 108696, 114519, 124224, 132160, 135870, 144928, 152692, 155280, 181160, 190865, 198240, 207040, 217392, 229038, 267211, 271740, 289856, 305384, 310560, 362320, 381730, 396480, 434784, 458076, 534422, 543480, 572595, 610768, 621120, 724640, 763460, 801633, 869568, 916152, 1068844, 1086960, 1145190, 1221536, 1336055, 1449280, 1526920, 1603266, 1832304, 2137688, 2173920, 2290380, 2443072, 2672110, 3053840, 3206532, 3664608, 4008165, 4275376, 4347840, 4580760, 5344220, 6107680, 6413064, 7329216, 8016330, 8550752, 9161520, 10688440, 12215360, 12826128, 16032660, 17101504, 18323040, 21376880, 25652256, 32065320, 36646080, 42753760, 51304512, 64130640, 85507520, 128261280, 256522560]

約数ペア:

[(1, 256522560), (2, 128261280), (3, 85507520), (4, 64130640), (5, 51304512), (6, 42753760), (7, 36646080), (8, 32065320), (10, 25652256), (12, 21376880), (14, 18323040), (15, 17101504), (16, 16032660), (20, 12826128), (21, 12215360), (24, 10688440), (28, 9161520), (30, 8550752), (32, 8016330), (35, 7329216), (40, 6413064), (42, 6107680), (48, 5344220), (56, 4580760), (59, 4347840), (60, 4275376), (64, 4008165), (70, 3664608), (80, 3206532), (84, 3053840), (96, 2672110), (105, 2443072), (112, 2290380), (118, 2173920), (120, 2137688), (140, 1832304), (160, 1603266), (168, 1526920), (177, 1449280), (192, 1336055), (210, 1221536), (224, 1145190), (236, 1086960), (240, 1068844), (280, 916152), (295, 869568), (320, 801633), (336, 763460), (354, 724640), (413, 621120), (420, 610768), (448, 572595), (472, 543480), (480, 534422), (560, 458076), (590, 434784), (647, 396480), (672, 381730), (708, 362320), (826, 310560), (840, 305384), (885, 289856), (944, 271740), (960, 267211), (1120, 229038), (1180, 217392), (1239, 207040), (1294, 198240), (1344, 190865), (1416, 181160), (1652, 155280), (1680, 152692), (1770, 144928), (1888, 135870), (1941, 132160), (2065, 124224), (2240, 114519), (2360, 108696), (2478, 103520), (2588, 99120), (2832, 90580), (3235, 79296), (3304, 77640), (3360, 76346), (3540, 72464), (3776, 67935), (3882, 66080), (4130, 62112), (4529, 56640), (4720, 54348), (4956, 51760), (5176, 49560), (5664, 45290), (6195, 41408), (6470, 39648), (6608, 38820), (6720, 38173), (7080, 36232), (7764, 33040), (8260, 31056), (9058, 28320), (9440, 27174), (9705, 26432), (9912, 25880), (10352, 24780), (11328, 22645), (12390, 20704), (12940, 19824), (13216, 19410), (13587, 18880), (14160, 18116), (15528, 16520)]