291236720

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{24109}}^1$

素因数の和:24273

約数の個数: 40

約数和(自身を含む): 681637920

約数和(自身を除く): 390401200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 6040, 12080, 24109, 48218, 96436, 120545, 192872, 241090, 385744, 482180, 964360, 1928720, 3640459, 7280918, 14561836, 18202295, 29123672, 36404590, 58247344, 72809180, 145618360, 291236720]

約数ペア:

[(1, 291236720), (2, 145618360), (4, 72809180), (5, 58247344), (8, 36404590), (10, 29123672), (16, 18202295), (20, 14561836), (40, 7280918), (80, 3640459), (151, 1928720), (302, 964360), (604, 482180), (755, 385744), (1208, 241090), (1510, 192872), (2416, 120545), (3020, 96436), (6040, 48218), (12080, 24109)]