19882080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13807}}^1$

素因数の和:13828

約数の個数: 72

約数和(自身を含む): 67852512

約数和(自身を除く): 47970432

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, 13807, 27614, 41421, 55228, 69035, 82842, 110456, 124263, 138070, 165684, 207105, 220912, 248526, 276140, 331368, 414210, 441824, 497052, 552280, 621315, 662736, 828420, 994104, 1104560, 1242630, 1325472, 1656840, 1988208, 2209120, 2485260, 3313680, 3976416, 4970520, 6627360, 9941040, 19882080]

約数ペア:

[(1, 19882080), (2, 9941040), (3, 6627360), (4, 4970520), (5, 3976416), (6, 3313680), (8, 2485260), (9, 2209120), (10, 1988208), (12, 1656840), (15, 1325472), (16, 1242630), (18, 1104560), (20, 994104), (24, 828420), (30, 662736), (32, 621315), (36, 552280), (40, 497052), (45, 441824), (48, 414210), (60, 331368), (72, 276140), (80, 248526), (90, 220912), (96, 207105), (120, 165684), (144, 138070), (160, 124263), (180, 110456), (240, 82842), (288, 69035), (360, 55228), (480, 41421), (720, 27614), (1440, 13807)]