147879280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{359}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 364262400

約数和(自身を除く): 216383120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 271, 304, 359, 380, 542, 718, 760, 1084, 1355, 1436, 1520, 1795, 2168, 2710, 2872, 3590, 4336, 5149, 5420, 5744, 6821, 7180, 10298, 10840, 13642, 14360, 20596, 21680, 25745, 27284, 28720, 34105, 41192, 51490, 54568, 68210, 82384, 97289, 102980, 109136, 136420, 194578, 205960, 272840, 389156, 411920, 486445, 545680, 778312, 972890, 1556624, 1848491, 1945780, 3696982, 3891560, 7393964, 7783120, 9242455, 14787928, 18484910, 29575856, 36969820, 73939640, 147879280]

約数ペア:

[(1, 147879280), (2, 73939640), (4, 36969820), (5, 29575856), (8, 18484910), (10, 14787928), (16, 9242455), (19, 7783120), (20, 7393964), (38, 3891560), (40, 3696982), (76, 1945780), (80, 1848491), (95, 1556624), (152, 972890), (190, 778312), (271, 545680), (304, 486445), (359, 411920), (380, 389156), (542, 272840), (718, 205960), (760, 194578), (1084, 136420), (1355, 109136), (1436, 102980), (1520, 97289), (1795, 82384), (2168, 68210), (2710, 54568), (2872, 51490), (3590, 41192), (4336, 34105), (5149, 28720), (5420, 27284), (5744, 25745), (6821, 21680), (7180, 20596), (10298, 14360), (10840, 13642)]