157429120

素因数分解:

$2^7\times 5^1\times {\mathrm{245983}}^1$

素因数の和:246002

約数の個数: 32

約数和(自身を含む): 376355520

約数和(自身を除く): 218926400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 245983, 491966, 983932, 1229915, 1967864, 2459830, 3935728, 4919660, 7871456, 9839320, 15742912, 19678640, 31485824, 39357280, 78714560, 157429120]

約数ペア:

[(1, 157429120), (2, 78714560), (4, 39357280), (5, 31485824), (8, 19678640), (10, 15742912), (16, 9839320), (20, 7871456), (32, 4919660), (40, 3935728), (64, 2459830), (80, 1967864), (128, 1229915), (160, 983932), (320, 491966), (640, 245983)]