3144540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{7487}}^1$

素因数の和:7506

約数の個数: 48

約数和(自身を含む): 10063872

約数和(自身を除く): 6919332

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, 7487, 14974, 22461, 29948, 37435, 44922, 52409, 74870, 89844, 104818, 112305, 149740, 157227, 209636, 224610, 262045, 314454, 449220, 524090, 628908, 786135, 1048180, 1572270, 3144540]

約数ペア:

[(1, 3144540), (2, 1572270), (3, 1048180), (4, 786135), (5, 628908), (6, 524090), (7, 449220), (10, 314454), (12, 262045), (14, 224610), (15, 209636), (20, 157227), (21, 149740), (28, 112305), (30, 104818), (35, 89844), (42, 74870), (60, 52409), (70, 44922), (84, 37435), (105, 29948), (140, 22461), (210, 14974), (420, 7487)]