68654880

素因数分解:

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

素因数の和:181

約数の個数: 288

約数和(自身を含む): 275184000

約数和(自身を除く): 206529120

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, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 139, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 278, 280, 288, 294, 315, 336, 343, 360, 392, 417, 420, 441, 480, 490, 504, 556, 560, 588, 630, 672, 686, 695, 720, 735, 784, 834, 840, 882, 973, 980, 1008, 1029, 1112, 1120, 1176, 1251, 1260, 1372, 1390, 1440, 1470, 1568, 1668, 1680, 1715, 1764, 1946, 1960, 2016, 2058, 2085, 2205, 2224, 2352, 2502, 2520, 2744, 2780, 2919, 2940, 3087, 3336, 3360, 3430, 3528, 3892, 3920, 4116, 4170, 4410, 4448, 4704, 4865, 5004, 5040, 5145, 5488, 5560, 5838, 5880, 6174, 6255, 6672, 6811, 6860, 7056, 7784, 7840, 8232, 8340, 8757, 8820, 9730, 10008, 10080, 10290, 10976, 11120, 11676, 11760, 12348, 12510, 13344, 13622, 13720, 14112, 14595, 15435, 15568, 16464, 16680, 17514, 17640, 19460, 20016, 20433, 20580, 22240, 23352, 23520, 24696, 25020, 27244, 27440, 29190, 30870, 31136, 32928, 33360, 34055, 35028, 35280, 38920, 40032, 40866, 41160, 43785, 46704, 47677, 49392, 50040, 54488, 54880, 58380, 61299, 61740, 66720, 68110, 70056, 70560, 77840, 81732, 82320, 87570, 93408, 95354, 98784, 100080, 102165, 108976, 116760, 122598, 123480, 136220, 140112, 143031, 155680, 163464, 164640, 175140, 190708, 200160, 204330, 217952, 233520, 238385, 245196, 246960, 272440, 280224, 286062, 306495, 326928, 350280, 381416, 408660, 429093, 467040, 476770, 490392, 493920, 544880, 572124, 612990, 653856, 700560, 715155, 762832, 817320, 858186, 953540, 980784, 1089760, 1144248, 1225980, 1401120, 1430310, 1525664, 1634640, 1716372, 1907080, 1961568, 2145465, 2288496, 2451960, 2860620, 3269280, 3432744, 3814160, 4290930, 4576992, 4903920, 5721240, 6865488, 7628320, 8581860, 9807840, 11442480, 13730976, 17163720, 22884960, 34327440, 68654880]

約数ペア:

[(1, 68654880), (2, 34327440), (3, 22884960), (4, 17163720), (5, 13730976), (6, 11442480), (7, 9807840), (8, 8581860), (9, 7628320), (10, 6865488), (12, 5721240), (14, 4903920), (15, 4576992), (16, 4290930), (18, 3814160), (20, 3432744), (21, 3269280), (24, 2860620), (28, 2451960), (30, 2288496), (32, 2145465), (35, 1961568), (36, 1907080), (40, 1716372), (42, 1634640), (45, 1525664), (48, 1430310), (49, 1401120), (56, 1225980), (60, 1144248), (63, 1089760), (70, 980784), (72, 953540), (80, 858186), (84, 817320), (90, 762832), (96, 715155), (98, 700560), (105, 653856), (112, 612990), (120, 572124), (126, 544880), (139, 493920), (140, 490392), (144, 476770), (147, 467040), (160, 429093), (168, 408660), (180, 381416), (196, 350280), (210, 326928), (224, 306495), (240, 286062), (245, 280224), (252, 272440), (278, 246960), (280, 245196), (288, 238385), (294, 233520), (315, 217952), (336, 204330), (343, 200160), (360, 190708), (392, 175140), (417, 164640), (420, 163464), (441, 155680), (480, 143031), (490, 140112), (504, 136220), (556, 123480), (560, 122598), (588, 116760), (630, 108976), (672, 102165), (686, 100080), (695, 98784), (720, 95354), (735, 93408), (784, 87570), (834, 82320), (840, 81732), (882, 77840), (973, 70560), (980, 70056), (1008, 68110), (1029, 66720), (1112, 61740), (1120, 61299), (1176, 58380), (1251, 54880), (1260, 54488), (1372, 50040), (1390, 49392), (1440, 47677), (1470, 46704), (1568, 43785), (1668, 41160), (1680, 40866), (1715, 40032), (1764, 38920), (1946, 35280), (1960, 35028), (2016, 34055), (2058, 33360), (2085, 32928), (2205, 31136), (2224, 30870), (2352, 29190), (2502, 27440), (2520, 27244), (2744, 25020), (2780, 24696), (2919, 23520), (2940, 23352), (3087, 22240), (3336, 20580), (3360, 20433), (3430, 20016), (3528, 19460), (3892, 17640), (3920, 17514), (4116, 16680), (4170, 16464), (4410, 15568), (4448, 15435), (4704, 14595), (4865, 14112), (5004, 13720), (5040, 13622), (5145, 13344), (5488, 12510), (5560, 12348), (5838, 11760), (5880, 11676), (6174, 11120), (6255, 10976), (6672, 10290), (6811, 10080), (6860, 10008), (7056, 9730), (7784, 8820), (7840, 8757), (8232, 8340)]