138579840

素因数分解:

$2^7\times 3^2\times 5^1\times 7^2\times {\mathrm{491}}^1$

素因数の和:530

約数の個数: 288

約数和(自身を含む): 557795160

約数和(自身を除く): 419215320

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, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 384, 392, 420, 441, 448, 480, 490, 491, 504, 560, 576, 588, 630, 640, 672, 720, 735, 784, 840, 882, 896, 960, 980, 982, 1008, 1120, 1152, 1176, 1260, 1344, 1440, 1470, 1473, 1568, 1680, 1764, 1920, 1960, 1964, 2016, 2205, 2240, 2352, 2455, 2520, 2688, 2880, 2940, 2946, 3136, 3360, 3437, 3528, 3920, 3928, 4032, 4410, 4419, 4480, 4704, 4910, 5040, 5760, 5880, 5892, 6272, 6720, 6874, 7056, 7365, 7840, 7856, 8064, 8820, 8838, 9408, 9820, 10080, 10311, 11760, 11784, 13440, 13748, 14112, 14730, 15680, 15712, 17185, 17640, 17676, 18816, 19640, 20160, 20622, 22095, 23520, 23568, 24059, 27496, 28224, 29460, 30933, 31360, 31424, 34370, 35280, 35352, 39280, 40320, 41244, 44190, 47040, 47136, 48118, 51555, 54992, 56448, 58920, 61866, 62848, 68740, 70560, 70704, 72177, 78560, 82488, 88380, 94080, 94272, 96236, 103110, 109984, 117840, 120295, 123732, 137480, 141120, 141408, 144354, 154665, 157120, 164976, 176760, 188544, 192472, 206220, 216531, 219968, 235680, 240590, 247464, 274960, 282240, 282816, 288708, 309330, 314240, 329952, 353520, 360885, 384944, 412440, 433062, 439936, 471360, 481180, 494928, 549920, 565632, 577416, 618660, 659904, 707040, 721770, 769888, 824880, 866124, 942720, 962360, 989856, 1082655, 1099840, 1154832, 1237320, 1319808, 1414080, 1443540, 1539776, 1649760, 1732248, 1924720, 1979712, 2165310, 2199680, 2309664, 2474640, 2828160, 2887080, 3079552, 3299520, 3464496, 3849440, 3959424, 4330620, 4619328, 4949280, 5774160, 6599040, 6928992, 7698880, 8661240, 9238656, 9898560, 11548320, 13857984, 15397760, 17322480, 19797120, 23096640, 27715968, 34644960, 46193280, 69289920, 138579840]

約数ペア:

[(1, 138579840), (2, 69289920), (3, 46193280), (4, 34644960), (5, 27715968), (6, 23096640), (7, 19797120), (8, 17322480), (9, 15397760), (10, 13857984), (12, 11548320), (14, 9898560), (15, 9238656), (16, 8661240), (18, 7698880), (20, 6928992), (21, 6599040), (24, 5774160), (28, 4949280), (30, 4619328), (32, 4330620), (35, 3959424), (36, 3849440), (40, 3464496), (42, 3299520), (45, 3079552), (48, 2887080), (49, 2828160), (56, 2474640), (60, 2309664), (63, 2199680), (64, 2165310), (70, 1979712), (72, 1924720), (80, 1732248), (84, 1649760), (90, 1539776), (96, 1443540), (98, 1414080), (105, 1319808), (112, 1237320), (120, 1154832), (126, 1099840), (128, 1082655), (140, 989856), (144, 962360), (147, 942720), (160, 866124), (168, 824880), (180, 769888), (192, 721770), (196, 707040), (210, 659904), (224, 618660), (240, 577416), (245, 565632), (252, 549920), (280, 494928), (288, 481180), (294, 471360), (315, 439936), (320, 433062), (336, 412440), (360, 384944), (384, 360885), (392, 353520), (420, 329952), (441, 314240), (448, 309330), (480, 288708), (490, 282816), (491, 282240), (504, 274960), (560, 247464), (576, 240590), (588, 235680), (630, 219968), (640, 216531), (672, 206220), (720, 192472), (735, 188544), (784, 176760), (840, 164976), (882, 157120), (896, 154665), (960, 144354), (980, 141408), (982, 141120), (1008, 137480), (1120, 123732), (1152, 120295), (1176, 117840), (1260, 109984), (1344, 103110), (1440, 96236), (1470, 94272), (1473, 94080), (1568, 88380), (1680, 82488), (1764, 78560), (1920, 72177), (1960, 70704), (1964, 70560), (2016, 68740), (2205, 62848), (2240, 61866), (2352, 58920), (2455, 56448), (2520, 54992), (2688, 51555), (2880, 48118), (2940, 47136), (2946, 47040), (3136, 44190), (3360, 41244), (3437, 40320), (3528, 39280), (3920, 35352), (3928, 35280), (4032, 34370), (4410, 31424), (4419, 31360), (4480, 30933), (4704, 29460), (4910, 28224), (5040, 27496), (5760, 24059), (5880, 23568), (5892, 23520), (6272, 22095), (6720, 20622), (6874, 20160), (7056, 19640), (7365, 18816), (7840, 17676), (7856, 17640), (8064, 17185), (8820, 15712), (8838, 15680), (9408, 14730), (9820, 14112), (10080, 13748), (10311, 13440), (11760, 11784)]