156788480

素因数分解:

$2^8\times 5^1\times {\mathrm{347}}^1\times {\mathrm{353}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 377706672

約数和(自身を除く): 220918192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 347, 353, 640, 694, 706, 1280, 1388, 1412, 1735, 1765, 2776, 2824, 3470, 3530, 5552, 5648, 6940, 7060, 11104, 11296, 13880, 14120, 22208, 22592, 27760, 28240, 44416, 45184, 55520, 56480, 88832, 90368, 111040, 112960, 122491, 222080, 225920, 244982, 444160, 451840, 489964, 612455, 979928, 1224910, 1959856, 2449820, 3919712, 4899640, 7839424, 9799280, 15678848, 19598560, 31357696, 39197120, 78394240, 156788480]

約数ペア:

[(1, 156788480), (2, 78394240), (4, 39197120), (5, 31357696), (8, 19598560), (10, 15678848), (16, 9799280), (20, 7839424), (32, 4899640), (40, 3919712), (64, 2449820), (80, 1959856), (128, 1224910), (160, 979928), (256, 612455), (320, 489964), (347, 451840), (353, 444160), (640, 244982), (694, 225920), (706, 222080), (1280, 122491), (1388, 112960), (1412, 111040), (1735, 90368), (1765, 88832), (2776, 56480), (2824, 55520), (3470, 45184), (3530, 44416), (5552, 28240), (5648, 27760), (6940, 22592), (7060, 22208), (11104, 14120), (11296, 13880)]