30720810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7817}}^1$

素因数の和:7958

約数の個数: 32

約数和(自身を含む): 74302272

約数和(自身を除く): 43581462

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 7817, 15634, 23451, 39085, 46902, 78170, 117255, 234510, 1024027, 2048054, 3072081, 5120135, 6144162, 10240270, 15360405, 30720810]

約数ペア:

[(1, 30720810), (2, 15360405), (3, 10240270), (5, 6144162), (6, 5120135), (10, 3072081), (15, 2048054), (30, 1024027), (131, 234510), (262, 117255), (393, 78170), (655, 46902), (786, 39085), (1310, 23451), (1965, 15634), (3930, 7817)]