131874560

素因数分解:

$2^8\times 5^1\times {\mathrm{269}}^1\times {\mathrm{383}}^1$

素因数の和:673

約数の個数: 72

約数和(自身を含む): 317882880

約数和(自身を除く): 186008320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 269, 320, 383, 538, 640, 766, 1076, 1280, 1345, 1532, 1915, 2152, 2690, 3064, 3830, 4304, 5380, 6128, 7660, 8608, 10760, 12256, 15320, 17216, 21520, 24512, 30640, 34432, 43040, 49024, 61280, 68864, 86080, 98048, 103027, 122560, 172160, 206054, 245120, 344320, 412108, 490240, 515135, 824216, 1030270, 1648432, 2060540, 3296864, 4121080, 6593728, 8242160, 13187456, 16484320, 26374912, 32968640, 65937280, 131874560]

約数ペア:

[(1, 131874560), (2, 65937280), (4, 32968640), (5, 26374912), (8, 16484320), (10, 13187456), (16, 8242160), (20, 6593728), (32, 4121080), (40, 3296864), (64, 2060540), (80, 1648432), (128, 1030270), (160, 824216), (256, 515135), (269, 490240), (320, 412108), (383, 344320), (538, 245120), (640, 206054), (766, 172160), (1076, 122560), (1280, 103027), (1345, 98048), (1532, 86080), (1915, 68864), (2152, 61280), (2690, 49024), (3064, 43040), (3830, 34432), (4304, 30640), (5380, 24512), (6128, 21520), (7660, 17216), (8608, 15320), (10760, 12256)]