20458080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14207}}^1$

素因数の和:14228

約数の個数: 72

約数和(自身を含む): 69818112

約数和(自身を除く): 49360032

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, 14207, 28414, 42621, 56828, 71035, 85242, 113656, 127863, 142070, 170484, 213105, 227312, 255726, 284140, 340968, 426210, 454624, 511452, 568280, 639315, 681936, 852420, 1022904, 1136560, 1278630, 1363872, 1704840, 2045808, 2273120, 2557260, 3409680, 4091616, 5114520, 6819360, 10229040, 20458080]

約数ペア:

[(1, 20458080), (2, 10229040), (3, 6819360), (4, 5114520), (5, 4091616), (6, 3409680), (8, 2557260), (9, 2273120), (10, 2045808), (12, 1704840), (15, 1363872), (16, 1278630), (18, 1136560), (20, 1022904), (24, 852420), (30, 681936), (32, 639315), (36, 568280), (40, 511452), (45, 454624), (48, 426210), (60, 340968), (72, 284140), (80, 255726), (90, 227312), (96, 213105), (120, 170484), (144, 142070), (160, 127863), (180, 113656), (240, 85242), (288, 71035), (360, 56828), (480, 42621), (720, 28414), (1440, 14207)]