81753960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1559}}^1$

素因数の和:1615

約数の個数: 128

約数和(自身を含む): 269568000

約数和(自身を除く): 187814040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 437, 456, 460, 552, 570, 690, 760, 874, 920, 1140, 1311, 1380, 1559, 1748, 2185, 2280, 2622, 2760, 3118, 3496, 4370, 4677, 5244, 6236, 6555, 7795, 8740, 9354, 10488, 12472, 13110, 15590, 17480, 18708, 23385, 26220, 29621, 31180, 35857, 37416, 46770, 52440, 59242, 62360, 71714, 88863, 93540, 107571, 118484, 143428, 148105, 177726, 179285, 187080, 215142, 236968, 286856, 296210, 355452, 358570, 430284, 444315, 537855, 592420, 681283, 710904, 717140, 860568, 888630, 1075710, 1184840, 1362566, 1434280, 1777260, 2043849, 2151420, 2725132, 3406415, 3554520, 4087698, 4302840, 5450264, 6812830, 8175396, 10219245, 13625660, 16350792, 20438490, 27251320, 40876980, 81753960]

約数ペア:

[(1, 81753960), (2, 40876980), (3, 27251320), (4, 20438490), (5, 16350792), (6, 13625660), (8, 10219245), (10, 8175396), (12, 6812830), (15, 5450264), (19, 4302840), (20, 4087698), (23, 3554520), (24, 3406415), (30, 2725132), (38, 2151420), (40, 2043849), (46, 1777260), (57, 1434280), (60, 1362566), (69, 1184840), (76, 1075710), (92, 888630), (95, 860568), (114, 717140), (115, 710904), (120, 681283), (138, 592420), (152, 537855), (184, 444315), (190, 430284), (228, 358570), (230, 355452), (276, 296210), (285, 286856), (345, 236968), (380, 215142), (437, 187080), (456, 179285), (460, 177726), (552, 148105), (570, 143428), (690, 118484), (760, 107571), (874, 93540), (920, 88863), (1140, 71714), (1311, 62360), (1380, 59242), (1559, 52440), (1748, 46770), (2185, 37416), (2280, 35857), (2622, 31180), (2760, 29621), (3118, 26220), (3496, 23385), (4370, 18708), (4677, 17480), (5244, 15590), (6236, 13110), (6555, 12472), (7795, 10488), (8740, 9354)]