81990720

素因数分解:

$2^6\times 3^2\times 5^1\times 7^3\times {\mathrm{83}}^1$

素因数の和:127

約数の個数: 336

約数和(自身を含む): 332841600

約数和(自身を除く): 250850880

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, 49, 56, 60, 63, 64, 70, 72, 80, 83, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 166, 168, 180, 192, 196, 210, 224, 240, 245, 249, 252, 280, 288, 294, 315, 320, 332, 336, 343, 360, 392, 415, 420, 441, 448, 480, 490, 498, 504, 560, 576, 581, 588, 630, 664, 672, 686, 720, 735, 747, 784, 830, 840, 882, 960, 980, 996, 1008, 1029, 1120, 1162, 1176, 1245, 1260, 1328, 1344, 1372, 1440, 1470, 1494, 1568, 1660, 1680, 1715, 1743, 1764, 1960, 1992, 2016, 2058, 2205, 2240, 2324, 2352, 2490, 2520, 2656, 2744, 2880, 2905, 2940, 2988, 3087, 3136, 3320, 3360, 3430, 3486, 3528, 3735, 3920, 3984, 4032, 4067, 4116, 4410, 4648, 4704, 4980, 5040, 5145, 5229, 5312, 5488, 5810, 5880, 5976, 6174, 6640, 6720, 6860, 6972, 7056, 7470, 7840, 7968, 8134, 8232, 8715, 8820, 9296, 9408, 9960, 10080, 10290, 10458, 10976, 11620, 11760, 11952, 12201, 12348, 13280, 13720, 13944, 14112, 14940, 15435, 15680, 15936, 16268, 16464, 17430, 17640, 18592, 19920, 20160, 20335, 20580, 20916, 21952, 23240, 23520, 23904, 24402, 24696, 26145, 26560, 27440, 27888, 28224, 28469, 29880, 30870, 32536, 32928, 34860, 35280, 36603, 37184, 39840, 40670, 41160, 41832, 46480, 47040, 47808, 48804, 49392, 52290, 54880, 55776, 56938, 59760, 61005, 61740, 65072, 65856, 69720, 70560, 73206, 79680, 81340, 82320, 83664, 85407, 92960, 97608, 98784, 104580, 109760, 111552, 113876, 119520, 122010, 123480, 130144, 139440, 141120, 142345, 146412, 162680, 164640, 167328, 170814, 183015, 185920, 195216, 197568, 209160, 227752, 239040, 244020, 246960, 256221, 260288, 278880, 284690, 292824, 325360, 329280, 334656, 341628, 366030, 390432, 418320, 427035, 455504, 488040, 493920, 512442, 557760, 569380, 585648, 650720, 683256, 732060, 780864, 836640, 854070, 911008, 976080, 987840, 1024884, 1138760, 1171296, 1281105, 1301440, 1366512, 1464120, 1673280, 1708140, 1822016, 1952160, 2049768, 2277520, 2342592, 2562210, 2733024, 2928240, 3416280, 3904320, 4099536, 4555040, 5124420, 5466048, 5856480, 6832560, 8199072, 9110080, 10248840, 11712960, 13665120, 16398144, 20497680, 27330240, 40995360, 81990720]

約数ペア:

[(1, 81990720), (2, 40995360), (3, 27330240), (4, 20497680), (5, 16398144), (6, 13665120), (7, 11712960), (8, 10248840), (9, 9110080), (10, 8199072), (12, 6832560), (14, 5856480), (15, 5466048), (16, 5124420), (18, 4555040), (20, 4099536), (21, 3904320), (24, 3416280), (28, 2928240), (30, 2733024), (32, 2562210), (35, 2342592), (36, 2277520), (40, 2049768), (42, 1952160), (45, 1822016), (48, 1708140), (49, 1673280), (56, 1464120), (60, 1366512), (63, 1301440), (64, 1281105), (70, 1171296), (72, 1138760), (80, 1024884), (83, 987840), (84, 976080), (90, 911008), (96, 854070), (98, 836640), (105, 780864), (112, 732060), (120, 683256), (126, 650720), (140, 585648), (144, 569380), (147, 557760), (160, 512442), (166, 493920), (168, 488040), (180, 455504), (192, 427035), (196, 418320), (210, 390432), (224, 366030), (240, 341628), (245, 334656), (249, 329280), (252, 325360), (280, 292824), (288, 284690), (294, 278880), (315, 260288), (320, 256221), (332, 246960), (336, 244020), (343, 239040), (360, 227752), (392, 209160), (415, 197568), (420, 195216), (441, 185920), (448, 183015), (480, 170814), (490, 167328), (498, 164640), (504, 162680), (560, 146412), (576, 142345), (581, 141120), (588, 139440), (630, 130144), (664, 123480), (672, 122010), (686, 119520), (720, 113876), (735, 111552), (747, 109760), (784, 104580), (830, 98784), (840, 97608), (882, 92960), (960, 85407), (980, 83664), (996, 82320), (1008, 81340), (1029, 79680), (1120, 73206), (1162, 70560), (1176, 69720), (1245, 65856), (1260, 65072), (1328, 61740), (1344, 61005), (1372, 59760), (1440, 56938), (1470, 55776), (1494, 54880), (1568, 52290), (1660, 49392), (1680, 48804), (1715, 47808), (1743, 47040), (1764, 46480), (1960, 41832), (1992, 41160), (2016, 40670), (2058, 39840), (2205, 37184), (2240, 36603), (2324, 35280), (2352, 34860), (2490, 32928), (2520, 32536), (2656, 30870), (2744, 29880), (2880, 28469), (2905, 28224), (2940, 27888), (2988, 27440), (3087, 26560), (3136, 26145), (3320, 24696), (3360, 24402), (3430, 23904), (3486, 23520), (3528, 23240), (3735, 21952), (3920, 20916), (3984, 20580), (4032, 20335), (4067, 20160), (4116, 19920), (4410, 18592), (4648, 17640), (4704, 17430), (4980, 16464), (5040, 16268), (5145, 15936), (5229, 15680), (5312, 15435), (5488, 14940), (5810, 14112), (5880, 13944), (5976, 13720), (6174, 13280), (6640, 12348), (6720, 12201), (6860, 11952), (6972, 11760), (7056, 11620), (7470, 10976), (7840, 10458), (7968, 10290), (8134, 10080), (8232, 9960), (8715, 9408), (8820, 9296)]