393978720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{820789}}^1$

素因数の和:820807

約数の個数: 48

約数和(自身を含む): 1241034480

約数和(自身を除く): 847055760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 820789, 1641578, 2462367, 3283156, 4103945, 4924734, 6566312, 8207890, 9849468, 12311835, 13132624, 16415780, 19698936, 24623670, 26265248, 32831560, 39397872, 49247340, 65663120, 78795744, 98494680, 131326240, 196989360, 393978720]

約数ペア:

[(1, 393978720), (2, 196989360), (3, 131326240), (4, 98494680), (5, 78795744), (6, 65663120), (8, 49247340), (10, 39397872), (12, 32831560), (15, 26265248), (16, 24623670), (20, 19698936), (24, 16415780), (30, 13132624), (32, 12311835), (40, 9849468), (48, 8207890), (60, 6566312), (80, 4924734), (96, 4103945), (120, 3283156), (160, 2462367), (240, 1641578), (480, 820789)]