138810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{661}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 381312

約数和(自身を除く): 242502

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 661, 1322, 1983, 3305, 3966, 4627, 6610, 9254, 9915, 13881, 19830, 23135, 27762, 46270, 69405, 138810]

約数ペア:

[(1, 138810), (2, 69405), (3, 46270), (5, 27762), (6, 23135), (7, 19830), (10, 13881), (14, 9915), (15, 9254), (21, 6610), (30, 4627), (35, 3966), (42, 3305), (70, 1983), (105, 1322), (210, 661)]