29991720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22721}}^1$

素因数の和:22746

約数の個数: 64

約数和(自身を含む): 98159040

約数和(自身を除く): 68167320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 22721, 45442, 68163, 90884, 113605, 136326, 181768, 227210, 249931, 272652, 340815, 454420, 499862, 545304, 681630, 749793, 908840, 999724, 1249655, 1363260, 1499586, 1999448, 2499310, 2726520, 2999172, 3748965, 4998620, 5998344, 7497930, 9997240, 14995860, 29991720]

約数ペア:

[(1, 29991720), (2, 14995860), (3, 9997240), (4, 7497930), (5, 5998344), (6, 4998620), (8, 3748965), (10, 2999172), (11, 2726520), (12, 2499310), (15, 1999448), (20, 1499586), (22, 1363260), (24, 1249655), (30, 999724), (33, 908840), (40, 749793), (44, 681630), (55, 545304), (60, 499862), (66, 454420), (88, 340815), (110, 272652), (120, 249931), (132, 227210), (165, 181768), (220, 136326), (264, 113605), (330, 90884), (440, 68163), (660, 45442), (1320, 22721)]