138530560

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{15461}}^1$

素因数の和:15489

約数の個数: 72

約数和(自身を含む): 379251936

約数和(自身を除く): 240721376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 15461, 30922, 61844, 77305, 108227, 123688, 154610, 216454, 247376, 309220, 432908, 494752, 541135, 618440, 865816, 989504, 1082270, 1236880, 1731632, 1979008, 2164540, 2473760, 3463264, 3958016, 4329080, 4947520, 6926528, 8658160, 9895040, 13853056, 17316320, 19790080, 27706112, 34632640, 69265280, 138530560]

約数ペア:

[(1, 138530560), (2, 69265280), (4, 34632640), (5, 27706112), (7, 19790080), (8, 17316320), (10, 13853056), (14, 9895040), (16, 8658160), (20, 6926528), (28, 4947520), (32, 4329080), (35, 3958016), (40, 3463264), (56, 2473760), (64, 2164540), (70, 1979008), (80, 1731632), (112, 1236880), (128, 1082270), (140, 989504), (160, 865816), (224, 618440), (256, 541135), (280, 494752), (320, 432908), (448, 309220), (560, 247376), (640, 216454), (896, 154610), (1120, 123688), (1280, 108227), (1792, 77305), (2240, 61844), (4480, 30922), (8960, 15461)]