18680520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{155671}}^1$

素因数の和:155685

約数の個数: 32

約数和(自身を含む): 56041920

約数和(自身を除く): 37361400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 155671, 311342, 467013, 622684, 778355, 934026, 1245368, 1556710, 1868052, 2335065, 3113420, 3736104, 4670130, 6226840, 9340260, 18680520]

約数ペア:

[(1, 18680520), (2, 9340260), (3, 6226840), (4, 4670130), (5, 3736104), (6, 3113420), (8, 2335065), (10, 1868052), (12, 1556710), (15, 1245368), (20, 934026), (24, 778355), (30, 622684), (40, 467013), (60, 311342), (120, 155671)]