66519280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 161355744

約数和(自身を除く): 94836464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 61, 80, 86, 122, 172, 215, 244, 305, 317, 344, 430, 488, 610, 634, 688, 860, 976, 1220, 1268, 1585, 1720, 2440, 2536, 2623, 3170, 3440, 4880, 5072, 5246, 6340, 10492, 12680, 13115, 13631, 19337, 20984, 25360, 26230, 27262, 38674, 41968, 52460, 54524, 68155, 77348, 96685, 104920, 109048, 136310, 154696, 193370, 209840, 218096, 272620, 309392, 386740, 545240, 773480, 831491, 1090480, 1546960, 1662982, 3325964, 4157455, 6651928, 8314910, 13303856, 16629820, 33259640, 66519280]

約数ペア:

[(1, 66519280), (2, 33259640), (4, 16629820), (5, 13303856), (8, 8314910), (10, 6651928), (16, 4157455), (20, 3325964), (40, 1662982), (43, 1546960), (61, 1090480), (80, 831491), (86, 773480), (122, 545240), (172, 386740), (215, 309392), (244, 272620), (305, 218096), (317, 209840), (344, 193370), (430, 154696), (488, 136310), (610, 109048), (634, 104920), (688, 96685), (860, 77348), (976, 68155), (1220, 54524), (1268, 52460), (1585, 41968), (1720, 38674), (2440, 27262), (2536, 26230), (2623, 25360), (3170, 20984), (3440, 19337), (4880, 13631), (5072, 13115), (5246, 12680), (6340, 10492)]