280129248

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{491}}^1$

素因数の和:797

約数の個数: 144

約数和(自身を含む): 915497856

約数和(自身を除く): 635368608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 283, 288, 336, 491, 504, 566, 672, 849, 982, 1008, 1132, 1473, 1698, 1964, 1981, 2016, 2264, 2547, 2946, 3396, 3437, 3928, 3962, 4419, 4528, 5094, 5892, 5943, 6792, 6874, 7856, 7924, 8838, 9056, 10188, 10311, 11784, 11886, 13584, 13748, 15712, 15848, 17676, 17829, 20376, 20622, 23568, 23772, 27168, 27496, 30933, 31696, 35352, 35658, 40752, 41244, 47136, 47544, 54992, 61866, 63392, 70704, 71316, 81504, 82488, 95088, 109984, 123732, 138953, 141408, 142632, 164976, 190176, 247464, 277906, 285264, 329952, 416859, 494928, 555812, 570528, 833718, 972671, 989856, 1111624, 1250577, 1667436, 1945342, 2223248, 2501154, 2918013, 3334872, 3890684, 4446496, 5002308, 5836026, 6669744, 7781368, 8754039, 10004616, 11672052, 13339488, 15562736, 17508078, 20009232, 23344104, 31125472, 35016156, 40018464, 46688208, 70032312, 93376416, 140064624, 280129248]

約数ペア:

[(1, 280129248), (2, 140064624), (3, 93376416), (4, 70032312), (6, 46688208), (7, 40018464), (8, 35016156), (9, 31125472), (12, 23344104), (14, 20009232), (16, 17508078), (18, 15562736), (21, 13339488), (24, 11672052), (28, 10004616), (32, 8754039), (36, 7781368), (42, 6669744), (48, 5836026), (56, 5002308), (63, 4446496), (72, 3890684), (84, 3334872), (96, 2918013), (112, 2501154), (126, 2223248), (144, 1945342), (168, 1667436), (224, 1250577), (252, 1111624), (283, 989856), (288, 972671), (336, 833718), (491, 570528), (504, 555812), (566, 494928), (672, 416859), (849, 329952), (982, 285264), (1008, 277906), (1132, 247464), (1473, 190176), (1698, 164976), (1964, 142632), (1981, 141408), (2016, 138953), (2264, 123732), (2547, 109984), (2946, 95088), (3396, 82488), (3437, 81504), (3928, 71316), (3962, 70704), (4419, 63392), (4528, 61866), (5094, 54992), (5892, 47544), (5943, 47136), (6792, 41244), (6874, 40752), (7856, 35658), (7924, 35352), (8838, 31696), (9056, 30933), (10188, 27496), (10311, 27168), (11784, 23772), (11886, 23568), (13584, 20622), (13748, 20376), (15712, 17829), (15848, 17676)]