491015520

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:276

約数の個数: 288

約数和(自身を含む): 1771634592

約数和(自身を除く): 1280619072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 73, 80, 81, 90, 96, 108, 120, 135, 144, 146, 160, 162, 173, 180, 216, 219, 240, 243, 270, 288, 292, 324, 346, 360, 365, 405, 432, 438, 480, 486, 519, 540, 584, 648, 657, 692, 720, 730, 810, 864, 865, 876, 972, 1038, 1080, 1095, 1168, 1215, 1296, 1314, 1384, 1440, 1460, 1557, 1620, 1730, 1752, 1944, 1971, 2076, 2160, 2190, 2336, 2430, 2592, 2595, 2628, 2768, 2920, 3114, 3240, 3285, 3460, 3504, 3888, 3942, 4152, 4320, 4380, 4671, 4860, 5190, 5256, 5536, 5840, 5913, 6228, 6480, 6570, 6920, 7008, 7776, 7785, 7884, 8304, 8760, 9342, 9720, 9855, 10380, 10512, 11680, 11826, 12456, 12629, 12960, 13140, 13840, 14013, 15570, 15768, 16608, 17520, 17739, 18684, 19440, 19710, 20760, 21024, 23355, 23652, 24912, 25258, 26280, 27680, 28026, 29565, 31140, 31536, 35040, 35478, 37368, 37887, 38880, 39420, 41520, 42039, 46710, 47304, 49824, 50516, 52560, 56052, 59130, 62280, 63072, 63145, 70065, 70956, 74736, 75774, 78840, 83040, 84078, 88695, 93420, 94608, 101032, 105120, 112104, 113661, 118260, 124560, 126290, 140130, 141912, 149472, 151548, 157680, 168156, 177390, 186840, 189216, 189435, 202064, 210195, 224208, 227322, 236520, 249120, 252580, 280260, 283824, 303096, 315360, 336312, 340983, 354780, 373680, 378870, 404128, 420390, 448416, 454644, 473040, 505160, 560520, 567648, 568305, 606192, 672624, 681966, 709560, 747360, 757740, 840780, 909288, 946080, 1010320, 1022949, 1121040, 1136610, 1212384, 1345248, 1363932, 1419120, 1515480, 1681560, 1704915, 1818576, 2020640, 2045898, 2242080, 2273220, 2727864, 2838240, 3030960, 3068847, 3363120, 3409830, 3637152, 4091796, 4546440, 5114745, 5455728, 6061920, 6137694, 6726240, 6819660, 8183592, 9092880, 10229490, 10911456, 12275388, 13639320, 15344235, 16367184, 18185760, 20458980, 24550776, 27278640, 30688470, 32734368, 40917960, 49101552, 54557280, 61376940, 81835920, 98203104, 122753880, 163671840, 245507760, 491015520]

約数ペア:

[(1, 491015520), (2, 245507760), (3, 163671840), (4, 122753880), (5, 98203104), (6, 81835920), (8, 61376940), (9, 54557280), (10, 49101552), (12, 40917960), (15, 32734368), (16, 30688470), (18, 27278640), (20, 24550776), (24, 20458980), (27, 18185760), (30, 16367184), (32, 15344235), (36, 13639320), (40, 12275388), (45, 10911456), (48, 10229490), (54, 9092880), (60, 8183592), (72, 6819660), (73, 6726240), (80, 6137694), (81, 6061920), (90, 5455728), (96, 5114745), (108, 4546440), (120, 4091796), (135, 3637152), (144, 3409830), (146, 3363120), (160, 3068847), (162, 3030960), (173, 2838240), (180, 2727864), (216, 2273220), (219, 2242080), (240, 2045898), (243, 2020640), (270, 1818576), (288, 1704915), (292, 1681560), (324, 1515480), (346, 1419120), (360, 1363932), (365, 1345248), (405, 1212384), (432, 1136610), (438, 1121040), (480, 1022949), (486, 1010320), (519, 946080), (540, 909288), (584, 840780), (648, 757740), (657, 747360), (692, 709560), (720, 681966), (730, 672624), (810, 606192), (864, 568305), (865, 567648), (876, 560520), (972, 505160), (1038, 473040), (1080, 454644), (1095, 448416), (1168, 420390), (1215, 404128), (1296, 378870), (1314, 373680), (1384, 354780), (1440, 340983), (1460, 336312), (1557, 315360), (1620, 303096), (1730, 283824), (1752, 280260), (1944, 252580), (1971, 249120), (2076, 236520), (2160, 227322), (2190, 224208), (2336, 210195), (2430, 202064), (2592, 189435), (2595, 189216), (2628, 186840), (2768, 177390), (2920, 168156), (3114, 157680), (3240, 151548), (3285, 149472), (3460, 141912), (3504, 140130), (3888, 126290), (3942, 124560), (4152, 118260), (4320, 113661), (4380, 112104), (4671, 105120), (4860, 101032), (5190, 94608), (5256, 93420), (5536, 88695), (5840, 84078), (5913, 83040), (6228, 78840), (6480, 75774), (6570, 74736), (6920, 70956), (7008, 70065), (7776, 63145), (7785, 63072), (7884, 62280), (8304, 59130), (8760, 56052), (9342, 52560), (9720, 50516), (9855, 49824), (10380, 47304), (10512, 46710), (11680, 42039), (11826, 41520), (12456, 39420), (12629, 38880), (12960, 37887), (13140, 37368), (13840, 35478), (14013, 35040), (15570, 31536), (15768, 31140), (16608, 29565), (17520, 28026), (17739, 27680), (18684, 26280), (19440, 25258), (19710, 24912), (20760, 23652), (21024, 23355)]