90638240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1051}}^1$

素因数の和:1091

約数の個数: 144

約数和(自身を含む): 271996704

約数和(自身を除く): 181358464

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1051, 1078, 1120, 1232, 1540, 1568, 1760, 1960, 2102, 2156, 2464, 2695, 3080, 3920, 4204, 4312, 5255, 5390, 6160, 7357, 7840, 8408, 8624, 10510, 10780, 11561, 12320, 14714, 16816, 17248, 21020, 21560, 23122, 29428, 33632, 36785, 42040, 43120, 46244, 51499, 57805, 58856, 73570, 80927, 84080, 86240, 92488, 102998, 115610, 117712, 147140, 161854, 168160, 184976, 205996, 231220, 235424, 257495, 294280, 323708, 369952, 404635, 411992, 462440, 514990, 566489, 588560, 647416, 809270, 823984, 924880, 1029980, 1132978, 1177120, 1294832, 1618540, 1647968, 1849760, 2059960, 2265956, 2589664, 2832445, 3237080, 4119920, 4531912, 5664890, 6474160, 8239840, 9063824, 11329780, 12948320, 18127648, 22659560, 45319120, 90638240]

約数ペア:

[(1, 90638240), (2, 45319120), (4, 22659560), (5, 18127648), (7, 12948320), (8, 11329780), (10, 9063824), (11, 8239840), (14, 6474160), (16, 5664890), (20, 4531912), (22, 4119920), (28, 3237080), (32, 2832445), (35, 2589664), (40, 2265956), (44, 2059960), (49, 1849760), (55, 1647968), (56, 1618540), (70, 1294832), (77, 1177120), (80, 1132978), (88, 1029980), (98, 924880), (110, 823984), (112, 809270), (140, 647416), (154, 588560), (160, 566489), (176, 514990), (196, 462440), (220, 411992), (224, 404635), (245, 369952), (280, 323708), (308, 294280), (352, 257495), (385, 235424), (392, 231220), (440, 205996), (490, 184976), (539, 168160), (560, 161854), (616, 147140), (770, 117712), (784, 115610), (880, 102998), (980, 92488), (1051, 86240), (1078, 84080), (1120, 80927), (1232, 73570), (1540, 58856), (1568, 57805), (1760, 51499), (1960, 46244), (2102, 43120), (2156, 42040), (2464, 36785), (2695, 33632), (3080, 29428), (3920, 23122), (4204, 21560), (4312, 21020), (5255, 17248), (5390, 16816), (6160, 14714), (7357, 12320), (7840, 11561), (8408, 10780), (8624, 10510)]