164195560

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 378069120

約数和(自身を除く): 213873560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 197, 268, 311, 335, 394, 536, 622, 670, 788, 985, 1244, 1340, 1555, 1576, 1970, 2488, 2680, 3110, 3940, 6220, 7880, 12440, 13199, 20837, 26398, 41674, 52796, 61267, 65995, 83348, 104185, 105592, 122534, 131990, 166696, 208370, 245068, 263980, 306335, 416740, 490136, 527960, 612670, 833480, 1225340, 2450680, 4104889, 8209778, 16419556, 20524445, 32839112, 41048890, 82097780, 164195560]

約数ペア:

[(1, 164195560), (2, 82097780), (4, 41048890), (5, 32839112), (8, 20524445), (10, 16419556), (20, 8209778), (40, 4104889), (67, 2450680), (134, 1225340), (197, 833480), (268, 612670), (311, 527960), (335, 490136), (394, 416740), (536, 306335), (622, 263980), (670, 245068), (788, 208370), (985, 166696), (1244, 131990), (1340, 122534), (1555, 105592), (1576, 104185), (1970, 83348), (2488, 65995), (2680, 61267), (3110, 52796), (3940, 41674), (6220, 26398), (7880, 20837), (12440, 13199)]