391296720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1630403}}^1$

素因数の和:1630419

約数の個数: 40

約数和(自身を含む): 1213020576

約数和(自身を除く): 821723856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1630403, 3260806, 4891209, 6521612, 8152015, 9782418, 13043224, 16304030, 19564836, 24456045, 26086448, 32608060, 39129672, 48912090, 65216120, 78259344, 97824180, 130432240, 195648360, 391296720]

約数ペア:

[(1, 391296720), (2, 195648360), (3, 130432240), (4, 97824180), (5, 78259344), (6, 65216120), (8, 48912090), (10, 39129672), (12, 32608060), (15, 26086448), (16, 24456045), (20, 19564836), (24, 16304030), (30, 13043224), (40, 9782418), (48, 8152015), (60, 6521612), (80, 4891209), (120, 3260806), (240, 1630403)]