68755680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:406

約数の個数: 288

約数和(自身を含む): 283046400

約数和(自身を除く): 214290720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 133, 140, 144, 152, 160, 168, 171, 180, 190, 210, 224, 228, 240, 252, 266, 280, 285, 288, 304, 315, 336, 342, 359, 360, 380, 399, 420, 456, 480, 504, 532, 560, 570, 608, 630, 665, 672, 684, 718, 720, 760, 798, 840, 855, 912, 1008, 1064, 1077, 1120, 1140, 1197, 1260, 1330, 1368, 1436, 1440, 1520, 1596, 1680, 1710, 1795, 1824, 1995, 2016, 2128, 2154, 2280, 2394, 2513, 2520, 2660, 2736, 2872, 3040, 3192, 3231, 3360, 3420, 3590, 3990, 4256, 4308, 4560, 4788, 5026, 5040, 5320, 5385, 5472, 5744, 5985, 6384, 6462, 6821, 6840, 7180, 7539, 7980, 8616, 9120, 9576, 10052, 10080, 10640, 10770, 11488, 11970, 12565, 12768, 12924, 13642, 13680, 14360, 15078, 15960, 16155, 17232, 19152, 20104, 20463, 21280, 21540, 22617, 23940, 25130, 25848, 27284, 27360, 28720, 30156, 31920, 32310, 34105, 34464, 37695, 38304, 40208, 40926, 43080, 45234, 47747, 47880, 50260, 51696, 54568, 57440, 60312, 61389, 63840, 64620, 68210, 75390, 80416, 81852, 86160, 90468, 95494, 95760, 100520, 102315, 103392, 109136, 113085, 120624, 122778, 129240, 136420, 143241, 150780, 163704, 172320, 180936, 190988, 191520, 201040, 204630, 218272, 226170, 238735, 241248, 245556, 258480, 272840, 286482, 301560, 306945, 327408, 361872, 381976, 402080, 409260, 429723, 452340, 477470, 491112, 516960, 545680, 572964, 603120, 613890, 654816, 716205, 723744, 763952, 818520, 859446, 904680, 954940, 982224, 1091360, 1145928, 1206240, 1227780, 1432410, 1527904, 1637040, 1718892, 1809360, 1909880, 1964448, 2148615, 2291856, 2455560, 2864820, 3274080, 3437784, 3618720, 3819760, 4297230, 4583712, 4911120, 5729640, 6875568, 7639520, 8594460, 9822240, 11459280, 13751136, 17188920, 22918560, 34377840, 68755680]

約数ペア:

[(1, 68755680), (2, 34377840), (3, 22918560), (4, 17188920), (5, 13751136), (6, 11459280), (7, 9822240), (8, 8594460), (9, 7639520), (10, 6875568), (12, 5729640), (14, 4911120), (15, 4583712), (16, 4297230), (18, 3819760), (19, 3618720), (20, 3437784), (21, 3274080), (24, 2864820), (28, 2455560), (30, 2291856), (32, 2148615), (35, 1964448), (36, 1909880), (38, 1809360), (40, 1718892), (42, 1637040), (45, 1527904), (48, 1432410), (56, 1227780), (57, 1206240), (60, 1145928), (63, 1091360), (70, 982224), (72, 954940), (76, 904680), (80, 859446), (84, 818520), (90, 763952), (95, 723744), (96, 716205), (105, 654816), (112, 613890), (114, 603120), (120, 572964), (126, 545680), (133, 516960), (140, 491112), (144, 477470), (152, 452340), (160, 429723), (168, 409260), (171, 402080), (180, 381976), (190, 361872), (210, 327408), (224, 306945), (228, 301560), (240, 286482), (252, 272840), (266, 258480), (280, 245556), (285, 241248), (288, 238735), (304, 226170), (315, 218272), (336, 204630), (342, 201040), (359, 191520), (360, 190988), (380, 180936), (399, 172320), (420, 163704), (456, 150780), (480, 143241), (504, 136420), (532, 129240), (560, 122778), (570, 120624), (608, 113085), (630, 109136), (665, 103392), (672, 102315), (684, 100520), (718, 95760), (720, 95494), (760, 90468), (798, 86160), (840, 81852), (855, 80416), (912, 75390), (1008, 68210), (1064, 64620), (1077, 63840), (1120, 61389), (1140, 60312), (1197, 57440), (1260, 54568), (1330, 51696), (1368, 50260), (1436, 47880), (1440, 47747), (1520, 45234), (1596, 43080), (1680, 40926), (1710, 40208), (1795, 38304), (1824, 37695), (1995, 34464), (2016, 34105), (2128, 32310), (2154, 31920), (2280, 30156), (2394, 28720), (2513, 27360), (2520, 27284), (2660, 25848), (2736, 25130), (2872, 23940), (3040, 22617), (3192, 21540), (3231, 21280), (3360, 20463), (3420, 20104), (3590, 19152), (3990, 17232), (4256, 16155), (4308, 15960), (4560, 15078), (4788, 14360), (5026, 13680), (5040, 13642), (5320, 12924), (5385, 12768), (5472, 12565), (5744, 11970), (5985, 11488), (6384, 10770), (6462, 10640), (6821, 10080), (6840, 10052), (7180, 9576), (7539, 9120), (7980, 8616)]