82621840

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{3011}}^1$

素因数の和:3045

約数の個数: 80

約数和(自身を含む): 224092800

約数和(自身を除く): 141470960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3011, 3430, 3920, 5488, 6022, 6860, 12044, 13720, 15055, 21077, 24088, 27440, 30110, 42154, 48176, 60220, 84308, 105385, 120440, 147539, 168616, 210770, 240880, 295078, 337232, 421540, 590156, 737695, 843080, 1032773, 1180312, 1475390, 1686160, 2065546, 2360624, 2950780, 4131092, 5163865, 5901560, 8262184, 10327730, 11803120, 16524368, 20655460, 41310920, 82621840]

約数ペア:

[(1, 82621840), (2, 41310920), (4, 20655460), (5, 16524368), (7, 11803120), (8, 10327730), (10, 8262184), (14, 5901560), (16, 5163865), (20, 4131092), (28, 2950780), (35, 2360624), (40, 2065546), (49, 1686160), (56, 1475390), (70, 1180312), (80, 1032773), (98, 843080), (112, 737695), (140, 590156), (196, 421540), (245, 337232), (280, 295078), (343, 240880), (392, 210770), (490, 168616), (560, 147539), (686, 120440), (784, 105385), (980, 84308), (1372, 60220), (1715, 48176), (1960, 42154), (2744, 30110), (3011, 27440), (3430, 24088), (3920, 21077), (5488, 15055), (6022, 13720), (6860, 12044)]