256337172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{463}}^1$

素因数の和:519

約数の個数: 144

約数和(自身を含む): 803944960

約数和(自身を除く): 547607788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 169, 182, 234, 252, 273, 338, 364, 463, 468, 507, 546, 676, 819, 926, 1014, 1092, 1183, 1389, 1521, 1638, 1852, 2028, 2197, 2366, 2778, 3042, 3241, 3276, 3549, 4167, 4394, 4732, 5556, 6019, 6084, 6482, 6591, 7098, 8334, 8788, 9723, 10647, 12038, 12964, 13182, 14196, 15379, 16668, 18057, 19446, 19773, 21294, 24076, 26364, 29169, 30758, 36114, 38892, 39546, 42133, 42588, 46137, 54171, 58338, 61516, 72228, 78247, 79092, 84266, 92274, 108342, 116676, 126399, 138411, 156494, 168532, 184548, 216684, 234741, 252798, 276822, 312988, 379197, 469482, 505596, 547729, 553644, 704223, 758394, 938964, 1017211, 1095458, 1408446, 1516788, 1643187, 2034422, 2190916, 2816892, 3051633, 3286374, 4068844, 4929561, 6103266, 6572748, 7120477, 9154899, 9859122, 12206532, 14240954, 18309798, 19718244, 21361431, 28481908, 36619596, 42722862, 64084293, 85445724, 128168586, 256337172]

約数ペア:

[(1, 256337172), (2, 128168586), (3, 85445724), (4, 64084293), (6, 42722862), (7, 36619596), (9, 28481908), (12, 21361431), (13, 19718244), (14, 18309798), (18, 14240954), (21, 12206532), (26, 9859122), (28, 9154899), (36, 7120477), (39, 6572748), (42, 6103266), (52, 4929561), (63, 4068844), (78, 3286374), (84, 3051633), (91, 2816892), (117, 2190916), (126, 2034422), (156, 1643187), (169, 1516788), (182, 1408446), (234, 1095458), (252, 1017211), (273, 938964), (338, 758394), (364, 704223), (463, 553644), (468, 547729), (507, 505596), (546, 469482), (676, 379197), (819, 312988), (926, 276822), (1014, 252798), (1092, 234741), (1183, 216684), (1389, 184548), (1521, 168532), (1638, 156494), (1852, 138411), (2028, 126399), (2197, 116676), (2366, 108342), (2778, 92274), (3042, 84266), (3241, 79092), (3276, 78247), (3549, 72228), (4167, 61516), (4394, 58338), (4732, 54171), (5556, 46137), (6019, 42588), (6084, 42133), (6482, 39546), (6591, 38892), (7098, 36114), (8334, 30758), (8788, 29169), (9723, 26364), (10647, 24076), (12038, 21294), (12964, 19773), (13182, 19446), (14196, 18057), (15379, 16668)]