668720628

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{547}}^1\times {\mathrm{1171}}^1$

素因数の和:1757

約数の個数: 72

約数和(自身を含む): 1753358880

約数和(自身を除く): 1084638252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 547, 1044, 1094, 1171, 1641, 2188, 2342, 3282, 3513, 4684, 4923, 6564, 7026, 9846, 10539, 14052, 15863, 19692, 21078, 31726, 33959, 42156, 47589, 63452, 67918, 95178, 101877, 135836, 142767, 190356, 203754, 285534, 305631, 407508, 571068, 611262, 640537, 1222524, 1281074, 1921611, 2562148, 3843222, 5764833, 7686444, 11529666, 18575573, 23059332, 37151146, 55726719, 74302292, 111453438, 167180157, 222906876, 334360314, 668720628]

約数ペア:

[(1, 668720628), (2, 334360314), (3, 222906876), (4, 167180157), (6, 111453438), (9, 74302292), (12, 55726719), (18, 37151146), (29, 23059332), (36, 18575573), (58, 11529666), (87, 7686444), (116, 5764833), (174, 3843222), (261, 2562148), (348, 1921611), (522, 1281074), (547, 1222524), (1044, 640537), (1094, 611262), (1171, 571068), (1641, 407508), (2188, 305631), (2342, 285534), (3282, 203754), (3513, 190356), (4684, 142767), (4923, 135836), (6564, 101877), (7026, 95178), (9846, 67918), (10539, 63452), (14052, 47589), (15863, 42156), (19692, 33959), (21078, 31726)]