30609880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109321}}^1$

素因数の和:109339

約数の個数: 32

約数和(自身を含む): 78711840

約数和(自身を除く): 48101960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 109321, 218642, 437284, 546605, 765247, 874568, 1093210, 1530494, 2186420, 3060988, 3826235, 4372840, 6121976, 7652470, 15304940, 30609880]

約数ペア:

[(1, 30609880), (2, 15304940), (4, 7652470), (5, 6121976), (7, 4372840), (8, 3826235), (10, 3060988), (14, 2186420), (20, 1530494), (28, 1093210), (35, 874568), (40, 765247), (56, 546605), (70, 437284), (140, 218642), (280, 109321)]