80661960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{74687}}^1$

素因数の和:74707

約数の個数: 64

約数和(自身を含む): 268876800

約数和(自身を除く): 188214840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 74687, 149374, 224061, 298748, 373435, 448122, 597496, 672183, 746870, 896244, 1120305, 1344366, 1493740, 1792488, 2016549, 2240610, 2688732, 2987480, 3360915, 4033098, 4481220, 5377464, 6721830, 8066196, 8962440, 10082745, 13443660, 16132392, 20165490, 26887320, 40330980, 80661960]

約数ペア:

[(1, 80661960), (2, 40330980), (3, 26887320), (4, 20165490), (5, 16132392), (6, 13443660), (8, 10082745), (9, 8962440), (10, 8066196), (12, 6721830), (15, 5377464), (18, 4481220), (20, 4033098), (24, 3360915), (27, 2987480), (30, 2688732), (36, 2240610), (40, 2016549), (45, 1792488), (54, 1493740), (60, 1344366), (72, 1120305), (90, 896244), (108, 746870), (120, 672183), (135, 597496), (180, 448122), (216, 373435), (270, 298748), (360, 224061), (540, 149374), (1080, 74687)]