20807727840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{577}}^1$

素因数の和:994

約数の個数: 288

約数和(自身を含む): 72257028480

約数和(自身を除く): 51449300640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 79, 80, 90, 96, 120, 144, 158, 160, 180, 237, 240, 288, 316, 317, 360, 395, 474, 480, 577, 632, 634, 711, 720, 790, 948, 951, 1154, 1185, 1264, 1268, 1422, 1440, 1580, 1585, 1731, 1896, 1902, 2308, 2370, 2528, 2536, 2844, 2853, 2885, 3160, 3170, 3462, 3555, 3792, 3804, 4616, 4740, 4755, 5072, 5193, 5688, 5706, 5770, 6320, 6340, 6924, 7110, 7584, 7608, 8655, 9232, 9480, 9510, 10144, 10386, 11376, 11412, 11540, 12640, 12680, 13848, 14220, 14265, 15216, 17310, 18464, 18960, 19020, 20772, 22752, 22824, 23080, 25043, 25360, 25965, 27696, 28440, 28530, 30432, 34620, 37920, 38040, 41544, 45583, 45648, 46160, 50086, 50720, 51930, 55392, 56880, 57060, 69240, 75129, 76080, 83088, 91166, 91296, 92320, 100172, 103860, 113760, 114120, 125215, 136749, 138480, 150258, 152160, 166176, 182332, 182909, 200344, 207720, 225387, 227915, 228240, 250430, 273498, 276960, 300516, 364664, 365818, 375645, 400688, 410247, 415440, 450774, 455830, 456480, 500860, 546996, 548727, 601032, 683745, 729328, 731636, 751290, 801376, 820494, 830880, 901548, 911660, 914545, 1001720, 1093992, 1097454, 1126935, 1202064, 1367490, 1458656, 1463272, 1502580, 1640988, 1646181, 1803096, 1823320, 1829090, 2003440, 2051235, 2187984, 2194908, 2253870, 2404128, 2734980, 2743635, 2926544, 3005160, 3281976, 3292362, 3606192, 3646640, 3658180, 4006880, 4102470, 4375968, 4389816, 4507740, 5469960, 5487270, 5853088, 6010320, 6563952, 6584724, 7212384, 7293280, 7316360, 8204940, 8230905, 8779632, 9015480, 10939920, 10974540, 12020640, 13127904, 13169448, 14449811, 14632720, 16409880, 16461810, 17559264, 18030960, 21879840, 21949080, 26338896, 28899622, 29265440, 32819760, 32923620, 36061920, 43349433, 43898160, 52677792, 57799244, 65639520, 65847240, 72249055, 86698866, 87796320, 115598488, 130048299, 131694480, 144498110, 173397732, 216747165, 231196976, 260096598, 263388960, 288996220, 346795464, 433494330, 462393952, 520193196, 577992440, 650241495, 693590928, 866988660, 1040386392, 1155984880, 1300482990, 1387181856, 1733977320, 2080772784, 2311969760, 2600965980, 3467954640, 4161545568, 5201931960, 6935909280, 10403863920, 20807727840]

約数ペア:

[(1, 20807727840), (2, 10403863920), (3, 6935909280), (4, 5201931960), (5, 4161545568), (6, 3467954640), (8, 2600965980), (9, 2311969760), (10, 2080772784), (12, 1733977320), (15, 1387181856), (16, 1300482990), (18, 1155984880), (20, 1040386392), (24, 866988660), (30, 693590928), (32, 650241495), (36, 577992440), (40, 520193196), (45, 462393952), (48, 433494330), (60, 346795464), (72, 288996220), (79, 263388960), (80, 260096598), (90, 231196976), (96, 216747165), (120, 173397732), (144, 144498110), (158, 131694480), (160, 130048299), (180, 115598488), (237, 87796320), (240, 86698866), (288, 72249055), (316, 65847240), (317, 65639520), (360, 57799244), (395, 52677792), (474, 43898160), (480, 43349433), (577, 36061920), (632, 32923620), (634, 32819760), (711, 29265440), (720, 28899622), (790, 26338896), (948, 21949080), (951, 21879840), (1154, 18030960), (1185, 17559264), (1264, 16461810), (1268, 16409880), (1422, 14632720), (1440, 14449811), (1580, 13169448), (1585, 13127904), (1731, 12020640), (1896, 10974540), (1902, 10939920), (2308, 9015480), (2370, 8779632), (2528, 8230905), (2536, 8204940), (2844, 7316360), (2853, 7293280), (2885, 7212384), (3160, 6584724), (3170, 6563952), (3462, 6010320), (3555, 5853088), (3792, 5487270), (3804, 5469960), (4616, 4507740), (4740, 4389816), (4755, 4375968), (5072, 4102470), (5193, 4006880), (5688, 3658180), (5706, 3646640), (5770, 3606192), (6320, 3292362), (6340, 3281976), (6924, 3005160), (7110, 2926544), (7584, 2743635), (7608, 2734980), (8655, 2404128), (9232, 2253870), (9480, 2194908), (9510, 2187984), (10144, 2051235), (10386, 2003440), (11376, 1829090), (11412, 1823320), (11540, 1803096), (12640, 1646181), (12680, 1640988), (13848, 1502580), (14220, 1463272), (14265, 1458656), (15216, 1367490), (17310, 1202064), (18464, 1126935), (18960, 1097454), (19020, 1093992), (20772, 1001720), (22752, 914545), (22824, 911660), (23080, 901548), (25043, 830880), (25360, 820494), (25965, 801376), (27696, 751290), (28440, 731636), (28530, 729328), (30432, 683745), (34620, 601032), (37920, 548727), (38040, 546996), (41544, 500860), (45583, 456480), (45648, 455830), (46160, 450774), (50086, 415440), (50720, 410247), (51930, 400688), (55392, 375645), (56880, 365818), (57060, 364664), (69240, 300516), (75129, 276960), (76080, 273498), (83088, 250430), (91166, 228240), (91296, 227915), (92320, 225387), (100172, 207720), (103860, 200344), (113760, 182909), (114120, 182332), (125215, 166176), (136749, 152160), (138480, 150258)]