142711520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:305

約数の個数: 144

約数和(自身を含む): 398170080

約数和(自身を除く): 255458560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 109, 112, 140, 160, 167, 196, 218, 224, 245, 280, 334, 392, 436, 490, 545, 560, 668, 763, 784, 835, 872, 980, 1090, 1120, 1169, 1336, 1526, 1568, 1670, 1744, 1960, 2180, 2338, 2672, 3052, 3340, 3488, 3815, 3920, 4360, 4676, 5341, 5344, 5845, 6104, 6680, 7630, 7840, 8183, 8720, 9352, 10682, 11690, 12208, 13360, 15260, 16366, 17440, 18203, 18704, 21364, 23380, 24416, 26705, 26720, 30520, 32732, 36406, 37408, 40915, 42728, 46760, 53410, 61040, 65464, 72812, 81830, 85456, 91015, 93520, 106820, 122080, 127421, 130928, 145624, 163660, 170912, 182030, 187040, 213640, 254842, 261856, 291248, 327320, 364060, 427280, 509684, 582496, 637105, 654640, 728120, 854560, 891947, 1019368, 1274210, 1309280, 1456240, 1783894, 2038736, 2548420, 2912480, 3567788, 4077472, 4459735, 5096840, 7135576, 8919470, 10193680, 14271152, 17838940, 20387360, 28542304, 35677880, 71355760, 142711520]

約数ペア:

[(1, 142711520), (2, 71355760), (4, 35677880), (5, 28542304), (7, 20387360), (8, 17838940), (10, 14271152), (14, 10193680), (16, 8919470), (20, 7135576), (28, 5096840), (32, 4459735), (35, 4077472), (40, 3567788), (49, 2912480), (56, 2548420), (70, 2038736), (80, 1783894), (98, 1456240), (109, 1309280), (112, 1274210), (140, 1019368), (160, 891947), (167, 854560), (196, 728120), (218, 654640), (224, 637105), (245, 582496), (280, 509684), (334, 427280), (392, 364060), (436, 327320), (490, 291248), (545, 261856), (560, 254842), (668, 213640), (763, 187040), (784, 182030), (835, 170912), (872, 163660), (980, 145624), (1090, 130928), (1120, 127421), (1169, 122080), (1336, 106820), (1526, 93520), (1568, 91015), (1670, 85456), (1744, 81830), (1960, 72812), (2180, 65464), (2338, 61040), (2672, 53410), (3052, 46760), (3340, 42728), (3488, 40915), (3815, 37408), (3920, 36406), (4360, 32732), (4676, 30520), (5341, 26720), (5344, 26705), (5845, 24416), (6104, 23380), (6680, 21364), (7630, 18704), (7840, 18203), (8183, 17440), (8720, 16366), (9352, 15260), (10682, 13360), (11690, 12208)]