30640260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{72953}}^1$

素因数の和:72972

約数の個数: 48

約数和(自身を含む): 98050176

約数和(自身を除く): 67409916

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, 72953, 145906, 218859, 291812, 364765, 437718, 510671, 729530, 875436, 1021342, 1094295, 1459060, 1532013, 2042684, 2188590, 2553355, 3064026, 4377180, 5106710, 6128052, 7660065, 10213420, 15320130, 30640260]

約数ペア:

[(1, 30640260), (2, 15320130), (3, 10213420), (4, 7660065), (5, 6128052), (6, 5106710), (7, 4377180), (10, 3064026), (12, 2553355), (14, 2188590), (15, 2042684), (20, 1532013), (21, 1459060), (28, 1094295), (30, 1021342), (35, 875436), (42, 729530), (60, 510671), (70, 437718), (84, 364765), (105, 291812), (140, 218859), (210, 145906), (420, 72953)]