178838720

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:418

約数の個数: 112

約数和(自身を含む): 447799968

約数和(自身を除く): 268961248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 43, 64, 80, 82, 86, 160, 164, 172, 205, 215, 317, 320, 328, 344, 410, 430, 634, 656, 688, 820, 860, 1268, 1312, 1376, 1585, 1640, 1720, 1763, 2536, 2624, 2752, 3170, 3280, 3440, 3526, 5072, 6340, 6560, 6880, 7052, 8815, 10144, 12680, 12997, 13120, 13631, 13760, 14104, 17630, 20288, 25360, 25994, 27262, 28208, 35260, 50720, 51988, 54524, 56416, 64985, 68155, 70520, 101440, 103976, 109048, 112832, 129970, 136310, 141040, 207952, 218096, 259940, 272620, 282080, 415904, 436192, 519880, 545240, 558871, 564160, 831808, 872384, 1039760, 1090480, 1117742, 2079520, 2180960, 2235484, 2794355, 4159040, 4361920, 4470968, 5588710, 8941936, 11177420, 17883872, 22354840, 35767744, 44709680, 89419360, 178838720]

約数ペア:

[(1, 178838720), (2, 89419360), (4, 44709680), (5, 35767744), (8, 22354840), (10, 17883872), (16, 11177420), (20, 8941936), (32, 5588710), (40, 4470968), (41, 4361920), (43, 4159040), (64, 2794355), (80, 2235484), (82, 2180960), (86, 2079520), (160, 1117742), (164, 1090480), (172, 1039760), (205, 872384), (215, 831808), (317, 564160), (320, 558871), (328, 545240), (344, 519880), (410, 436192), (430, 415904), (634, 282080), (656, 272620), (688, 259940), (820, 218096), (860, 207952), (1268, 141040), (1312, 136310), (1376, 129970), (1585, 112832), (1640, 109048), (1720, 103976), (1763, 101440), (2536, 70520), (2624, 68155), (2752, 64985), (3170, 56416), (3280, 54524), (3440, 51988), (3526, 50720), (5072, 35260), (6340, 28208), (6560, 27262), (6880, 25994), (7052, 25360), (8815, 20288), (10144, 17630), (12680, 14104), (12997, 13760), (13120, 13631)]