28594720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 85264704

約数和(自身を除く): 56669984

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 160, 176, 211, 220, 224, 242, 280, 308, 352, 385, 422, 440, 484, 560, 605, 616, 770, 844, 847, 880, 968, 1055, 1120, 1210, 1232, 1477, 1540, 1688, 1694, 1760, 1936, 2110, 2321, 2420, 2464, 2954, 3080, 3376, 3388, 3872, 4220, 4235, 4642, 4840, 5908, 6160, 6752, 6776, 7385, 8440, 8470, 9284, 9680, 11605, 11816, 12320, 13552, 14770, 16247, 16880, 16940, 18568, 19360, 23210, 23632, 25531, 27104, 29540, 32494, 33760, 33880, 37136, 46420, 47264, 51062, 59080, 64988, 67760, 74272, 81235, 92840, 102124, 118160, 127655, 129976, 135520, 162470, 178717, 185680, 204248, 236320, 255310, 259952, 324940, 357434, 371360, 408496, 510620, 519904, 649880, 714868, 816992, 893585, 1021240, 1299760, 1429736, 1787170, 2042480, 2599520, 2859472, 3574340, 4084960, 5718944, 7148680, 14297360, 28594720]

約数ペア:

[(1, 28594720), (2, 14297360), (4, 7148680), (5, 5718944), (7, 4084960), (8, 3574340), (10, 2859472), (11, 2599520), (14, 2042480), (16, 1787170), (20, 1429736), (22, 1299760), (28, 1021240), (32, 893585), (35, 816992), (40, 714868), (44, 649880), (55, 519904), (56, 510620), (70, 408496), (77, 371360), (80, 357434), (88, 324940), (110, 259952), (112, 255310), (121, 236320), (140, 204248), (154, 185680), (160, 178717), (176, 162470), (211, 135520), (220, 129976), (224, 127655), (242, 118160), (280, 102124), (308, 92840), (352, 81235), (385, 74272), (422, 67760), (440, 64988), (484, 59080), (560, 51062), (605, 47264), (616, 46420), (770, 37136), (844, 33880), (847, 33760), (880, 32494), (968, 29540), (1055, 27104), (1120, 25531), (1210, 23632), (1232, 23210), (1477, 19360), (1540, 18568), (1688, 16940), (1694, 16880), (1760, 16247), (1936, 14770), (2110, 13552), (2321, 12320), (2420, 11816), (2464, 11605), (2954, 9680), (3080, 9284), (3376, 8470), (3388, 8440), (3872, 7385), (4220, 6776), (4235, 6752), (4642, 6160), (4840, 5908)]