78709120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17569}}^1$

素因数の和:17595

約数の個数: 64

約数和(自身を含む): 215056800

約数和(自身を除く): 136347680

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, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 17569, 35138, 70276, 87845, 122983, 140552, 175690, 245966, 281104, 351380, 491932, 562208, 614915, 702760, 983864, 1124416, 1229830, 1405520, 1967728, 2248832, 2459660, 2811040, 3935456, 4919320, 5622080, 7870912, 9838640, 11244160, 15741824, 19677280, 39354560, 78709120]

約数ペア:

[(1, 78709120), (2, 39354560), (4, 19677280), (5, 15741824), (7, 11244160), (8, 9838640), (10, 7870912), (14, 5622080), (16, 4919320), (20, 3935456), (28, 2811040), (32, 2459660), (35, 2248832), (40, 1967728), (56, 1405520), (64, 1229830), (70, 1124416), (80, 983864), (112, 702760), (128, 614915), (140, 562208), (160, 491932), (224, 351380), (280, 281104), (320, 245966), (448, 175690), (560, 140552), (640, 122983), (896, 87845), (1120, 70276), (2240, 35138), (4480, 17569)]