158385280

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4057}}^1$

素因数の和:4137

約数の個数: 64

約数和(自身を含む): 384941880

約数和(自身を除く): 226556600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 4057, 4880, 7808, 8114, 9760, 16228, 19520, 20285, 32456, 39040, 40570, 64912, 81140, 129824, 162280, 247477, 259648, 324560, 494954, 519296, 649120, 989908, 1237385, 1298240, 1979816, 2474770, 2596480, 3959632, 4949540, 7919264, 9899080, 15838528, 19798160, 31677056, 39596320, 79192640, 158385280]

約数ペア:

[(1, 158385280), (2, 79192640), (4, 39596320), (5, 31677056), (8, 19798160), (10, 15838528), (16, 9899080), (20, 7919264), (32, 4949540), (40, 3959632), (61, 2596480), (64, 2474770), (80, 1979816), (122, 1298240), (128, 1237385), (160, 989908), (244, 649120), (305, 519296), (320, 494954), (488, 324560), (610, 259648), (640, 247477), (976, 162280), (1220, 129824), (1952, 81140), (2440, 64912), (3904, 40570), (4057, 39040), (4880, 32456), (7808, 20285), (8114, 19520), (9760, 16228)]