83127520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:513

約数の個数: 144

約数和(自身を含む): 238902048

約数和(自身を除く): 155774528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 322, 368, 392, 460, 461, 490, 560, 644, 736, 784, 805, 920, 922, 980, 1120, 1127, 1288, 1568, 1610, 1840, 1844, 1960, 2254, 2305, 2576, 3220, 3227, 3680, 3688, 3920, 4508, 4610, 5152, 5635, 6440, 6454, 7376, 7840, 9016, 9220, 10603, 11270, 12880, 12908, 14752, 16135, 18032, 18440, 21206, 22540, 22589, 25760, 25816, 32270, 36064, 36880, 42412, 45080, 45178, 51632, 53015, 64540, 73760, 74221, 84824, 90160, 90356, 103264, 106030, 112945, 129080, 148442, 169648, 180320, 180712, 212060, 225890, 258160, 296884, 339296, 361424, 371105, 424120, 451780, 516320, 519547, 593768, 722848, 742210, 848240, 903560, 1039094, 1187536, 1484420, 1696480, 1807120, 2078188, 2375072, 2597735, 2968840, 3614240, 4156376, 5195470, 5937680, 8312752, 10390940, 11875360, 16625504, 20781880, 41563760, 83127520]

約数ペア:

[(1, 83127520), (2, 41563760), (4, 20781880), (5, 16625504), (7, 11875360), (8, 10390940), (10, 8312752), (14, 5937680), (16, 5195470), (20, 4156376), (23, 3614240), (28, 2968840), (32, 2597735), (35, 2375072), (40, 2078188), (46, 1807120), (49, 1696480), (56, 1484420), (70, 1187536), (80, 1039094), (92, 903560), (98, 848240), (112, 742210), (115, 722848), (140, 593768), (160, 519547), (161, 516320), (184, 451780), (196, 424120), (224, 371105), (230, 361424), (245, 339296), (280, 296884), (322, 258160), (368, 225890), (392, 212060), (460, 180712), (461, 180320), (490, 169648), (560, 148442), (644, 129080), (736, 112945), (784, 106030), (805, 103264), (920, 90356), (922, 90160), (980, 84824), (1120, 74221), (1127, 73760), (1288, 64540), (1568, 53015), (1610, 51632), (1840, 45178), (1844, 45080), (1960, 42412), (2254, 36880), (2305, 36064), (2576, 32270), (3220, 25816), (3227, 25760), (3680, 22589), (3688, 22540), (3920, 21206), (4508, 18440), (4610, 18032), (5152, 16135), (5635, 14752), (6440, 12908), (6454, 12880), (7376, 11270), (7840, 10603), (9016, 9220)]