30720420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{170669}}^1$

素因数の和:170684

約数の個数: 36

約数和(自身を含む): 93185820

約数和(自身を除く): 62465400

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 170669, 341338, 512007, 682676, 853345, 1024014, 1536021, 1706690, 2048028, 2560035, 3072042, 3413380, 5120070, 6144084, 7680105, 10240140, 15360210, 30720420]

約数ペア:

[(1, 30720420), (2, 15360210), (3, 10240140), (4, 7680105), (5, 6144084), (6, 5120070), (9, 3413380), (10, 3072042), (12, 2560035), (15, 2048028), (18, 1706690), (20, 1536021), (30, 1024014), (36, 853345), (45, 682676), (60, 512007), (90, 341338), (180, 170669)]