66553620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{751}}^1$

素因数の和:981

約数の個数: 96

約数和(自身を含む): 214265856

約数和(自身を除く): 147712236

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, 211, 420, 422, 633, 751, 844, 1055, 1266, 1477, 1502, 2110, 2253, 2532, 2954, 3004, 3165, 3755, 4220, 4431, 4506, 5257, 5908, 6330, 7385, 7510, 8862, 9012, 10514, 11265, 12660, 14770, 15020, 15771, 17724, 21028, 22155, 22530, 26285, 29540, 31542, 44310, 45060, 52570, 63084, 78855, 88620, 105140, 157710, 158461, 315420, 316922, 475383, 633844, 792305, 950766, 1109227, 1584610, 1901532, 2218454, 2376915, 3169220, 3327681, 4436908, 4753830, 5546135, 6655362, 9507660, 11092270, 13310724, 16638405, 22184540, 33276810, 66553620]

約数ペア:

[(1, 66553620), (2, 33276810), (3, 22184540), (4, 16638405), (5, 13310724), (6, 11092270), (7, 9507660), (10, 6655362), (12, 5546135), (14, 4753830), (15, 4436908), (20, 3327681), (21, 3169220), (28, 2376915), (30, 2218454), (35, 1901532), (42, 1584610), (60, 1109227), (70, 950766), (84, 792305), (105, 633844), (140, 475383), (210, 316922), (211, 315420), (420, 158461), (422, 157710), (633, 105140), (751, 88620), (844, 78855), (1055, 63084), (1266, 52570), (1477, 45060), (1502, 44310), (2110, 31542), (2253, 29540), (2532, 26285), (2954, 22530), (3004, 22155), (3165, 21028), (3755, 17724), (4220, 15771), (4431, 15020), (4506, 14770), (5257, 12660), (5908, 11265), (6330, 10514), (7385, 9012), (7510, 8862)]