129102680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20047}}^1$

素因数の和:20088

約数の個数: 64

約数和(自身を含む): 346429440

約数和(自身を除く): 217326760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 20047, 40094, 80188, 100235, 140329, 160376, 200470, 280658, 400940, 461081, 561316, 701645, 801880, 922162, 1122632, 1403290, 1844324, 2305405, 2806580, 3227567, 3688648, 4610810, 5613160, 6455134, 9221620, 12910268, 16137835, 18443240, 25820536, 32275670, 64551340, 129102680]

約数ペア:

[(1, 129102680), (2, 64551340), (4, 32275670), (5, 25820536), (7, 18443240), (8, 16137835), (10, 12910268), (14, 9221620), (20, 6455134), (23, 5613160), (28, 4610810), (35, 3688648), (40, 3227567), (46, 2806580), (56, 2305405), (70, 1844324), (92, 1403290), (115, 1122632), (140, 922162), (161, 801880), (184, 701645), (230, 561316), (280, 461081), (322, 400940), (460, 280658), (644, 200470), (805, 160376), (920, 140329), (1288, 100235), (1610, 80188), (3220, 40094), (6440, 20047)]