80154720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{55663}}^1$

素因数の和:55684

約数の個数: 72

約数和(自身を含む): 273532896

約数和(自身を除く): 193378176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 55663, 111326, 166989, 222652, 278315, 333978, 445304, 500967, 556630, 667956, 834945, 890608, 1001934, 1113260, 1335912, 1669890, 1781216, 2003868, 2226520, 2504835, 2671824, 3339780, 4007736, 4453040, 5009670, 5343648, 6679560, 8015472, 8906080, 10019340, 13359120, 16030944, 20038680, 26718240, 40077360, 80154720]

約数ペア:

[(1, 80154720), (2, 40077360), (3, 26718240), (4, 20038680), (5, 16030944), (6, 13359120), (8, 10019340), (9, 8906080), (10, 8015472), (12, 6679560), (15, 5343648), (16, 5009670), (18, 4453040), (20, 4007736), (24, 3339780), (30, 2671824), (32, 2504835), (36, 2226520), (40, 2003868), (45, 1781216), (48, 1669890), (60, 1335912), (72, 1113260), (80, 1001934), (90, 890608), (96, 834945), (120, 667956), (144, 556630), (160, 500967), (180, 445304), (240, 333978), (288, 278315), (360, 222652), (480, 166989), (720, 111326), (1440, 55663)]