19237680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1$

素因数の和:384

約数の個数: 240

約数和(自身を含む): 80780544

約数和(自身を除く): 61542864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 347, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 694, 720, 770, 792, 840, 880, 924, 990, 1008, 1041, 1155, 1232, 1260, 1320, 1386, 1388, 1540, 1584, 1680, 1735, 1848, 1980, 2082, 2310, 2429, 2520, 2640, 2772, 2776, 3080, 3123, 3465, 3470, 3696, 3817, 3960, 4164, 4620, 4858, 5040, 5205, 5544, 5552, 6160, 6246, 6930, 6940, 7287, 7634, 7920, 8328, 9240, 9716, 10410, 11088, 11451, 12145, 12492, 13860, 13880, 14574, 15268, 15615, 16656, 18480, 19085, 19432, 20820, 21861, 22902, 24290, 24984, 26719, 27720, 27760, 29148, 30536, 31230, 34353, 36435, 38170, 38864, 41640, 43722, 45804, 48580, 49968, 53438, 55440, 57255, 58296, 61072, 62460, 68706, 72870, 76340, 80157, 83280, 87444, 91608, 97160, 106876, 109305, 114510, 116592, 124920, 133595, 137412, 145740, 152680, 160314, 171765, 174888, 183216, 194320, 213752, 218610, 229020, 240471, 249840, 267190, 274824, 291480, 305360, 320628, 343530, 349776, 400785, 427504, 437220, 458040, 480942, 534380, 549648, 582960, 641256, 687060, 801570, 874440, 916080, 961884, 1068760, 1202355, 1282512, 1374120, 1603140, 1748880, 1923768, 2137520, 2404710, 2748240, 3206280, 3847536, 4809420, 6412560, 9618840, 19237680]

約数ペア:

[(1, 19237680), (2, 9618840), (3, 6412560), (4, 4809420), (5, 3847536), (6, 3206280), (7, 2748240), (8, 2404710), (9, 2137520), (10, 1923768), (11, 1748880), (12, 1603140), (14, 1374120), (15, 1282512), (16, 1202355), (18, 1068760), (20, 961884), (21, 916080), (22, 874440), (24, 801570), (28, 687060), (30, 641256), (33, 582960), (35, 549648), (36, 534380), (40, 480942), (42, 458040), (44, 437220), (45, 427504), (48, 400785), (55, 349776), (56, 343530), (60, 320628), (63, 305360), (66, 291480), (70, 274824), (72, 267190), (77, 249840), (80, 240471), (84, 229020), (88, 218610), (90, 213752), (99, 194320), (105, 183216), (110, 174888), (112, 171765), (120, 160314), (126, 152680), (132, 145740), (140, 137412), (144, 133595), (154, 124920), (165, 116592), (168, 114510), (176, 109305), (180, 106876), (198, 97160), (210, 91608), (220, 87444), (231, 83280), (240, 80157), (252, 76340), (264, 72870), (280, 68706), (308, 62460), (315, 61072), (330, 58296), (336, 57255), (347, 55440), (360, 53438), (385, 49968), (396, 48580), (420, 45804), (440, 43722), (462, 41640), (495, 38864), (504, 38170), (528, 36435), (560, 34353), (616, 31230), (630, 30536), (660, 29148), (693, 27760), (694, 27720), (720, 26719), (770, 24984), (792, 24290), (840, 22902), (880, 21861), (924, 20820), (990, 19432), (1008, 19085), (1041, 18480), (1155, 16656), (1232, 15615), (1260, 15268), (1320, 14574), (1386, 13880), (1388, 13860), (1540, 12492), (1584, 12145), (1680, 11451), (1735, 11088), (1848, 10410), (1980, 9716), (2082, 9240), (2310, 8328), (2429, 7920), (2520, 7634), (2640, 7287), (2772, 6940), (2776, 6930), (3080, 6246), (3123, 6160), (3465, 5552), (3470, 5544), (3696, 5205), (3817, 5040), (3960, 4858), (4164, 4620)]