135223620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{321961}}^1$

素因数の和:321980

約数の個数: 48

約数和(自身を含む): 432716928

約数和(自身を除く): 297493308

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, 420, 321961, 643922, 965883, 1287844, 1609805, 1931766, 2253727, 3219610, 3863532, 4507454, 4829415, 6439220, 6761181, 9014908, 9658830, 11268635, 13522362, 19317660, 22537270, 27044724, 33805905, 45074540, 67611810, 135223620]

約数ペア:

[(1, 135223620), (2, 67611810), (3, 45074540), (4, 33805905), (5, 27044724), (6, 22537270), (7, 19317660), (10, 13522362), (12, 11268635), (14, 9658830), (15, 9014908), (20, 6761181), (21, 6439220), (28, 4829415), (30, 4507454), (35, 3863532), (42, 3219610), (60, 2253727), (70, 1931766), (84, 1609805), (105, 1287844), (140, 965883), (210, 643922), (420, 321961)]