66906420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{661}}^1$

素因数の和:921

約数の個数: 96

約数和(自身を含む): 215314176

約数和(自身を除く): 148407756

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, 210, 241, 420, 482, 661, 723, 964, 1205, 1322, 1446, 1687, 1983, 2410, 2644, 2892, 3305, 3374, 3615, 3966, 4627, 4820, 5061, 6610, 6748, 7230, 7932, 8435, 9254, 9915, 10122, 13220, 13881, 14460, 16870, 18508, 19830, 20244, 23135, 25305, 27762, 33740, 39660, 46270, 50610, 55524, 69405, 92540, 101220, 138810, 159301, 277620, 318602, 477903, 637204, 796505, 955806, 1115107, 1593010, 1911612, 2230214, 2389515, 3186020, 3345321, 4460428, 4779030, 5575535, 6690642, 9558060, 11151070, 13381284, 16726605, 22302140, 33453210, 66906420]

約数ペア:

[(1, 66906420), (2, 33453210), (3, 22302140), (4, 16726605), (5, 13381284), (6, 11151070), (7, 9558060), (10, 6690642), (12, 5575535), (14, 4779030), (15, 4460428), (20, 3345321), (21, 3186020), (28, 2389515), (30, 2230214), (35, 1911612), (42, 1593010), (60, 1115107), (70, 955806), (84, 796505), (105, 637204), (140, 477903), (210, 318602), (241, 277620), (420, 159301), (482, 138810), (661, 101220), (723, 92540), (964, 69405), (1205, 55524), (1322, 50610), (1446, 46270), (1687, 39660), (1983, 33740), (2410, 27762), (2644, 25305), (2892, 23135), (3305, 20244), (3374, 19830), (3615, 18508), (3966, 16870), (4627, 14460), (4820, 13881), (5061, 13220), (6610, 10122), (6748, 9915), (7230, 9254), (7932, 8435)]