407280420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{754223}}^1$

素因数の和:754241

約数の個数: 48

約数和(自身を含む): 1267096320

約数和(自身を除く): 859815900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 754223, 1508446, 2262669, 3016892, 3771115, 4525338, 6788007, 7542230, 9050676, 11313345, 13576014, 15084460, 20364021, 22626690, 27152028, 33940035, 40728042, 45253380, 67880070, 81456084, 101820105, 135760140, 203640210, 407280420]

約数ペア:

[(1, 407280420), (2, 203640210), (3, 135760140), (4, 101820105), (5, 81456084), (6, 67880070), (9, 45253380), (10, 40728042), (12, 33940035), (15, 27152028), (18, 22626690), (20, 20364021), (27, 15084460), (30, 13576014), (36, 11313345), (45, 9050676), (54, 7542230), (60, 6788007), (90, 4525338), (108, 3771115), (135, 3016892), (180, 2262669), (270, 1508446), (540, 754223)]