381437280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:586

約数の個数: 288

約数和(自身を含む): 1509580800

約数和(自身を除く): 1128143520

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, 79, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 158, 160, 168, 180, 210, 224, 237, 240, 252, 280, 288, 315, 316, 336, 360, 395, 420, 474, 479, 480, 504, 553, 560, 630, 632, 672, 711, 720, 790, 840, 948, 958, 1008, 1106, 1120, 1185, 1260, 1264, 1422, 1437, 1440, 1580, 1659, 1680, 1896, 1916, 2016, 2212, 2370, 2395, 2520, 2528, 2765, 2844, 2874, 3160, 3318, 3353, 3360, 3555, 3792, 3832, 4311, 4424, 4740, 4790, 4977, 5040, 5530, 5688, 5748, 6320, 6636, 6706, 7110, 7185, 7584, 7664, 8295, 8622, 8848, 9480, 9580, 9954, 10059, 10080, 11060, 11376, 11496, 12640, 13272, 13412, 14220, 14370, 15328, 16590, 16765, 17244, 17696, 18960, 19160, 19908, 20118, 21555, 22120, 22752, 22992, 24885, 26544, 26824, 28440, 28740, 30177, 33180, 33530, 34488, 37841, 37920, 38320, 39816, 40236, 43110, 44240, 45984, 49770, 50295, 53088, 53648, 56880, 57480, 60354, 66360, 67060, 68976, 75682, 76640, 79632, 80472, 86220, 88480, 99540, 100590, 107296, 113523, 113760, 114960, 120708, 132720, 134120, 137952, 150885, 151364, 159264, 160944, 172440, 189205, 199080, 201180, 227046, 229920, 241416, 264887, 265440, 268240, 301770, 302728, 321888, 340569, 344880, 378410, 398160, 402360, 454092, 482832, 529774, 536480, 567615, 603540, 605456, 681138, 689760, 756820, 794661, 796320, 804720, 908184, 965664, 1059548, 1135230, 1207080, 1210912, 1324435, 1362276, 1513640, 1589322, 1609440, 1702845, 1816368, 2119096, 2270460, 2383983, 2414160, 2648870, 2724552, 3027280, 3178644, 3405690, 3632736, 3973305, 4238192, 4540920, 4767966, 4828320, 5297740, 5449104, 6054560, 6357288, 6811380, 7946610, 8476384, 9081840, 9535932, 10595480, 10898208, 11919915, 12714576, 13622760, 15893220, 18163680, 19071864, 21190960, 23839830, 25429152, 27245520, 31786440, 38143728, 42381920, 47679660, 54491040, 63572880, 76287456, 95359320, 127145760, 190718640, 381437280]

約数ペア:

[(1, 381437280), (2, 190718640), (3, 127145760), (4, 95359320), (5, 76287456), (6, 63572880), (7, 54491040), (8, 47679660), (9, 42381920), (10, 38143728), (12, 31786440), (14, 27245520), (15, 25429152), (16, 23839830), (18, 21190960), (20, 19071864), (21, 18163680), (24, 15893220), (28, 13622760), (30, 12714576), (32, 11919915), (35, 10898208), (36, 10595480), (40, 9535932), (42, 9081840), (45, 8476384), (48, 7946610), (56, 6811380), (60, 6357288), (63, 6054560), (70, 5449104), (72, 5297740), (79, 4828320), (80, 4767966), (84, 4540920), (90, 4238192), (96, 3973305), (105, 3632736), (112, 3405690), (120, 3178644), (126, 3027280), (140, 2724552), (144, 2648870), (158, 2414160), (160, 2383983), (168, 2270460), (180, 2119096), (210, 1816368), (224, 1702845), (237, 1609440), (240, 1589322), (252, 1513640), (280, 1362276), (288, 1324435), (315, 1210912), (316, 1207080), (336, 1135230), (360, 1059548), (395, 965664), (420, 908184), (474, 804720), (479, 796320), (480, 794661), (504, 756820), (553, 689760), (560, 681138), (630, 605456), (632, 603540), (672, 567615), (711, 536480), (720, 529774), (790, 482832), (840, 454092), (948, 402360), (958, 398160), (1008, 378410), (1106, 344880), (1120, 340569), (1185, 321888), (1260, 302728), (1264, 301770), (1422, 268240), (1437, 265440), (1440, 264887), (1580, 241416), (1659, 229920), (1680, 227046), (1896, 201180), (1916, 199080), (2016, 189205), (2212, 172440), (2370, 160944), (2395, 159264), (2520, 151364), (2528, 150885), (2765, 137952), (2844, 134120), (2874, 132720), (3160, 120708), (3318, 114960), (3353, 113760), (3360, 113523), (3555, 107296), (3792, 100590), (3832, 99540), (4311, 88480), (4424, 86220), (4740, 80472), (4790, 79632), (4977, 76640), (5040, 75682), (5530, 68976), (5688, 67060), (5748, 66360), (6320, 60354), (6636, 57480), (6706, 56880), (7110, 53648), (7185, 53088), (7584, 50295), (7664, 49770), (8295, 45984), (8622, 44240), (8848, 43110), (9480, 40236), (9580, 39816), (9954, 38320), (10059, 37920), (10080, 37841), (11060, 34488), (11376, 33530), (11496, 33180), (12640, 30177), (13272, 28740), (13412, 28440), (14220, 26824), (14370, 26544), (15328, 24885), (16590, 22992), (16765, 22752), (17244, 22120), (17696, 21555), (18960, 20118), (19160, 19908)]