1390140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{7723}}^1$

素因数の和:7738

約数の個数: 36

約数和(自身を含む): 4217304

約数和(自身を除く): 2827164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 7723, 15446, 23169, 30892, 38615, 46338, 69507, 77230, 92676, 115845, 139014, 154460, 231690, 278028, 347535, 463380, 695070, 1390140]

約数ペア:

[(1, 1390140), (2, 695070), (3, 463380), (4, 347535), (5, 278028), (6, 231690), (9, 154460), (10, 139014), (12, 115845), (15, 92676), (18, 77230), (20, 69507), (30, 46338), (36, 38615), (45, 30892), (60, 23169), (90, 15446), (180, 7723)]