19970160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11887}}^1$

素因数の和:11910

約数の個数: 80

約数和(自身を含む): 70757376

約数和(自身を除く): 50787216

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11887, 23774, 35661, 47548, 59435, 71322, 83209, 95096, 118870, 142644, 166418, 178305, 190192, 237740, 249627, 285288, 332836, 356610, 416045, 475480, 499254, 570576, 665672, 713220, 832090, 950960, 998508, 1248135, 1331344, 1426440, 1664180, 1997016, 2496270, 2852880, 3328360, 3994032, 4992540, 6656720, 9985080, 19970160]

約数ペア:

[(1, 19970160), (2, 9985080), (3, 6656720), (4, 4992540), (5, 3994032), (6, 3328360), (7, 2852880), (8, 2496270), (10, 1997016), (12, 1664180), (14, 1426440), (15, 1331344), (16, 1248135), (20, 998508), (21, 950960), (24, 832090), (28, 713220), (30, 665672), (35, 570576), (40, 499254), (42, 475480), (48, 416045), (56, 356610), (60, 332836), (70, 285288), (80, 249627), (84, 237740), (105, 190192), (112, 178305), (120, 166418), (140, 142644), (168, 118870), (210, 95096), (240, 83209), (280, 71322), (336, 59435), (420, 47548), (560, 35661), (840, 23774), (1680, 11887)]