128261280

素因数分解:

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

素因数の和:731

約数の個数: 192

約数和(自身を含む): 470292480

約数和(自身を除く): 342031200

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, 70, 80, 84, 96, 105, 112, 118, 120, 140, 160, 168, 177, 210, 224, 236, 240, 280, 295, 336, 354, 413, 420, 472, 480, 560, 590, 647, 672, 708, 826, 840, 885, 944, 1120, 1180, 1239, 1294, 1416, 1652, 1680, 1770, 1888, 1941, 2065, 2360, 2478, 2588, 2832, 3235, 3304, 3360, 3540, 3882, 4130, 4529, 4720, 4956, 5176, 5664, 6195, 6470, 6608, 7080, 7764, 8260, 9058, 9440, 9705, 9912, 10352, 12390, 12940, 13216, 13587, 14160, 15528, 16520, 18116, 19410, 19824, 20704, 22645, 24780, 25880, 27174, 28320, 31056, 33040, 36232, 38173, 38820, 39648, 45290, 49560, 51760, 54348, 62112, 66080, 67935, 72464, 76346, 77640, 90580, 99120, 103520, 108696, 114519, 135870, 144928, 152692, 155280, 181160, 190865, 198240, 217392, 229038, 267211, 271740, 305384, 310560, 362320, 381730, 434784, 458076, 534422, 543480, 572595, 610768, 724640, 763460, 801633, 916152, 1068844, 1086960, 1145190, 1221536, 1336055, 1526920, 1603266, 1832304, 2137688, 2173920, 2290380, 2672110, 3053840, 3206532, 3664608, 4008165, 4275376, 4580760, 5344220, 6107680, 6413064, 8016330, 8550752, 9161520, 10688440, 12826128, 16032660, 18323040, 21376880, 25652256, 32065320, 42753760, 64130640, 128261280]

約数ペア:

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