257482560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{268211}}^1$

素因数の和:268231

約数の個数: 56

約数和(自身を含む): 817510176

約数和(自身を除く): 560027616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 268211, 536422, 804633, 1072844, 1341055, 1609266, 2145688, 2682110, 3218532, 4023165, 4291376, 5364220, 6437064, 8046330, 8582752, 10728440, 12874128, 16092660, 17165504, 21456880, 25748256, 32185320, 42913760, 51496512, 64370640, 85827520, 128741280, 257482560]

約数ペア:

[(1, 257482560), (2, 128741280), (3, 85827520), (4, 64370640), (5, 51496512), (6, 42913760), (8, 32185320), (10, 25748256), (12, 21456880), (15, 17165504), (16, 16092660), (20, 12874128), (24, 10728440), (30, 8582752), (32, 8046330), (40, 6437064), (48, 5364220), (60, 4291376), (64, 4023165), (80, 3218532), (96, 2682110), (120, 2145688), (160, 1609266), (192, 1341055), (240, 1072844), (320, 804633), (480, 536422), (960, 268211)]