78462720

素因数分解:

$2^8\times 3^2\times 5^1\times 7^2\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 324

約数和(自身を含む): 318066840

約数和(自身を除く): 239604120

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, 84, 90, 96, 98, 105, 112, 120, 126, 128, 139, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 256, 278, 280, 288, 294, 315, 320, 336, 360, 384, 392, 417, 420, 441, 448, 480, 490, 504, 556, 560, 576, 588, 630, 640, 672, 695, 720, 735, 768, 784, 834, 840, 882, 896, 960, 973, 980, 1008, 1112, 1120, 1152, 1176, 1251, 1260, 1280, 1344, 1390, 1440, 1470, 1568, 1668, 1680, 1764, 1792, 1920, 1946, 1960, 2016, 2085, 2205, 2224, 2240, 2304, 2352, 2502, 2520, 2688, 2780, 2880, 2919, 2940, 3136, 3336, 3360, 3528, 3840, 3892, 3920, 4032, 4170, 4410, 4448, 4480, 4704, 4865, 5004, 5040, 5376, 5560, 5760, 5838, 5880, 6255, 6272, 6672, 6720, 6811, 7056, 7784, 7840, 8064, 8340, 8757, 8820, 8896, 8960, 9408, 9730, 10008, 10080, 11120, 11520, 11676, 11760, 12510, 12544, 13344, 13440, 13622, 14112, 14595, 15568, 15680, 16128, 16680, 17514, 17640, 17792, 18816, 19460, 20016, 20160, 20433, 22240, 23352, 23520, 25020, 26688, 26880, 27244, 28224, 29190, 31136, 31360, 33360, 34055, 35028, 35280, 35584, 37632, 38920, 40032, 40320, 40866, 43785, 44480, 46704, 47040, 50040, 53376, 54488, 56448, 58380, 61299, 62272, 62720, 66720, 68110, 70056, 70560, 77840, 80064, 80640, 81732, 87570, 88960, 93408, 94080, 100080, 102165, 106752, 108976, 112896, 116760, 122598, 124544, 133440, 136220, 140112, 141120, 155680, 160128, 163464, 175140, 177920, 186816, 188160, 200160, 204330, 217952, 233520, 245196, 249088, 266880, 272440, 280224, 282240, 306495, 311360, 320256, 326928, 350280, 373632, 400320, 408660, 435904, 467040, 490392, 533760, 544880, 560448, 564480, 612990, 622720, 653856, 700560, 747264, 800640, 817320, 871808, 934080, 980784, 1089760, 1120896, 1225980, 1245440, 1307712, 1401120, 1601280, 1634640, 1743616, 1868160, 1961568, 2179520, 2241792, 2451960, 2615424, 2802240, 3269280, 3736320, 3923136, 4359040, 4903920, 5230848, 5604480, 6538560, 7846272, 8718080, 9807840, 11208960, 13077120, 15692544, 19615680, 26154240, 39231360, 78462720]

約数ペア:

[(1, 78462720), (2, 39231360), (3, 26154240), (4, 19615680), (5, 15692544), (6, 13077120), (7, 11208960), (8, 9807840), (9, 8718080), (10, 7846272), (12, 6538560), (14, 5604480), (15, 5230848), (16, 4903920), (18, 4359040), (20, 3923136), (21, 3736320), (24, 3269280), (28, 2802240), (30, 2615424), (32, 2451960), (35, 2241792), (36, 2179520), (40, 1961568), (42, 1868160), (45, 1743616), (48, 1634640), (49, 1601280), (56, 1401120), (60, 1307712), (63, 1245440), (64, 1225980), (70, 1120896), (72, 1089760), (80, 980784), (84, 934080), (90, 871808), (96, 817320), (98, 800640), (105, 747264), (112, 700560), (120, 653856), (126, 622720), (128, 612990), (139, 564480), (140, 560448), (144, 544880), (147, 533760), (160, 490392), (168, 467040), (180, 435904), (192, 408660), (196, 400320), (210, 373632), (224, 350280), (240, 326928), (245, 320256), (252, 311360), (256, 306495), (278, 282240), (280, 280224), (288, 272440), (294, 266880), (315, 249088), (320, 245196), (336, 233520), (360, 217952), (384, 204330), (392, 200160), (417, 188160), (420, 186816), (441, 177920), (448, 175140), (480, 163464), (490, 160128), (504, 155680), (556, 141120), (560, 140112), (576, 136220), (588, 133440), (630, 124544), (640, 122598), (672, 116760), (695, 112896), (720, 108976), (735, 106752), (768, 102165), (784, 100080), (834, 94080), (840, 93408), (882, 88960), (896, 87570), (960, 81732), (973, 80640), (980, 80064), (1008, 77840), (1112, 70560), (1120, 70056), (1152, 68110), (1176, 66720), (1251, 62720), (1260, 62272), (1280, 61299), (1344, 58380), (1390, 56448), (1440, 54488), (1470, 53376), (1568, 50040), (1668, 47040), (1680, 46704), (1764, 44480), (1792, 43785), (1920, 40866), (1946, 40320), (1960, 40032), (2016, 38920), (2085, 37632), (2205, 35584), (2224, 35280), (2240, 35028), (2304, 34055), (2352, 33360), (2502, 31360), (2520, 31136), (2688, 29190), (2780, 28224), (2880, 27244), (2919, 26880), (2940, 26688), (3136, 25020), (3336, 23520), (3360, 23352), (3528, 22240), (3840, 20433), (3892, 20160), (3920, 20016), (4032, 19460), (4170, 18816), (4410, 17792), (4448, 17640), (4480, 17514), (4704, 16680), (4865, 16128), (5004, 15680), (5040, 15568), (5376, 14595), (5560, 14112), (5760, 13622), (5838, 13440), (5880, 13344), (6255, 12544), (6272, 12510), (6672, 11760), (6720, 11676), (6811, 11520), (7056, 11120), (7784, 10080), (7840, 10008), (8064, 9730), (8340, 9408), (8757, 8960), (8820, 8896)]