257487480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{715243}}^1$

素因数の和:715260

約数の個数: 48

約数和(自身を含む): 836835480

約数和(自身を除く): 579348000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 715243, 1430486, 2145729, 2860972, 3576215, 4291458, 5721944, 6437187, 7152430, 8582916, 10728645, 12874374, 14304860, 17165832, 21457290, 25748748, 28609720, 32185935, 42914580, 51497496, 64371870, 85829160, 128743740, 257487480]

約数ペア:

[(1, 257487480), (2, 128743740), (3, 85829160), (4, 64371870), (5, 51497496), (6, 42914580), (8, 32185935), (9, 28609720), (10, 25748748), (12, 21457290), (15, 17165832), (18, 14304860), (20, 12874374), (24, 10728645), (30, 8582916), (36, 7152430), (40, 6437187), (45, 5721944), (60, 4291458), (72, 3576215), (90, 2860972), (120, 2145729), (180, 1430486), (360, 715243)]