78556260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{68909}}^1$

素因数の和:68940

約数の個数: 48

約数和(自身を含む): 231537600

約数和(自身を除く): 152981340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 68909, 137818, 206727, 275636, 344545, 413454, 689090, 826908, 1033635, 1309271, 1378180, 2067270, 2618542, 3927813, 4134540, 5237084, 6546355, 7855626, 13092710, 15711252, 19639065, 26185420, 39278130, 78556260]

約数ペア:

[(1, 78556260), (2, 39278130), (3, 26185420), (4, 19639065), (5, 15711252), (6, 13092710), (10, 7855626), (12, 6546355), (15, 5237084), (19, 4134540), (20, 3927813), (30, 2618542), (38, 2067270), (57, 1378180), (60, 1309271), (76, 1033635), (95, 826908), (114, 689090), (190, 413454), (228, 344545), (285, 275636), (380, 206727), (570, 137818), (1140, 68909)]