320640588

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{419}}^1\times {\mathrm{733}}^1$

素因数の和:1191

約数の個数: 72

約数和(自身を含む): 841604400

約数和(自身を除く): 520963812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 419, 522, 733, 838, 1044, 1257, 1466, 1676, 2199, 2514, 2932, 3771, 4398, 5028, 6597, 7542, 8796, 12151, 13194, 15084, 21257, 24302, 26388, 36453, 42514, 48604, 63771, 72906, 85028, 109359, 127542, 145812, 191313, 218718, 255084, 307127, 382626, 437436, 614254, 765252, 921381, 1228508, 1842762, 2764143, 3685524, 5528286, 8906683, 11056572, 17813366, 26720049, 35626732, 53440098, 80160147, 106880196, 160320294, 320640588]

約数ペア:

[(1, 320640588), (2, 160320294), (3, 106880196), (4, 80160147), (6, 53440098), (9, 35626732), (12, 26720049), (18, 17813366), (29, 11056572), (36, 8906683), (58, 5528286), (87, 3685524), (116, 2764143), (174, 1842762), (261, 1228508), (348, 921381), (419, 765252), (522, 614254), (733, 437436), (838, 382626), (1044, 307127), (1257, 255084), (1466, 218718), (1676, 191313), (2199, 145812), (2514, 127542), (2932, 109359), (3771, 85028), (4398, 72906), (5028, 63771), (6597, 48604), (7542, 42514), (8796, 36453), (12151, 26388), (13194, 24302), (15084, 21257)]