68466320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1531}}^1$

素因数の和:1600

約数の個数: 80

約数和(自身を含む): 175530432

約数和(自身を除く): 107064112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1531, 1720, 2236, 2795, 3062, 3440, 4472, 5590, 6124, 7655, 8944, 11180, 12248, 15310, 19903, 22360, 24496, 30620, 39806, 44720, 61240, 65833, 79612, 99515, 122480, 131666, 159224, 199030, 263332, 318448, 329165, 398060, 526664, 658330, 796120, 855829, 1053328, 1316660, 1592240, 1711658, 2633320, 3423316, 4279145, 5266640, 6846632, 8558290, 13693264, 17116580, 34233160, 68466320]

約数ペア:

[(1, 68466320), (2, 34233160), (4, 17116580), (5, 13693264), (8, 8558290), (10, 6846632), (13, 5266640), (16, 4279145), (20, 3423316), (26, 2633320), (40, 1711658), (43, 1592240), (52, 1316660), (65, 1053328), (80, 855829), (86, 796120), (104, 658330), (130, 526664), (172, 398060), (208, 329165), (215, 318448), (260, 263332), (344, 199030), (430, 159224), (520, 131666), (559, 122480), (688, 99515), (860, 79612), (1040, 65833), (1118, 61240), (1531, 44720), (1720, 39806), (2236, 30620), (2795, 24496), (3062, 22360), (3440, 19903), (4472, 15310), (5590, 12248), (6124, 11180), (7655, 8944)]