15322020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^2$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 49288512

約数和(自身を除く): 33966492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 191, 210, 382, 420, 573, 764, 955, 1146, 1337, 1910, 2292, 2674, 2865, 3820, 4011, 5348, 5730, 6685, 8022, 11460, 13370, 16044, 20055, 26740, 36481, 40110, 72962, 80220, 109443, 145924, 182405, 218886, 255367, 364810, 437772, 510734, 547215, 729620, 766101, 1021468, 1094430, 1276835, 1532202, 2188860, 2553670, 3064404, 3830505, 5107340, 7661010, 15322020]

約数ペア:

[(1, 15322020), (2, 7661010), (3, 5107340), (4, 3830505), (5, 3064404), (6, 2553670), (7, 2188860), (10, 1532202), (12, 1276835), (14, 1094430), (15, 1021468), (20, 766101), (21, 729620), (28, 547215), (30, 510734), (35, 437772), (42, 364810), (60, 255367), (70, 218886), (84, 182405), (105, 145924), (140, 109443), (191, 80220), (210, 72962), (382, 40110), (420, 36481), (573, 26740), (764, 20055), (955, 16044), (1146, 13370), (1337, 11460), (1910, 8022), (2292, 6685), (2674, 5730), (2865, 5348), (3820, 4011)]