256820616

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:276

約数の個数: 192

約数和(自身を含む): 792529920

約数和(自身を除く): 535709304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 31, 36, 39, 52, 53, 62, 72, 78, 93, 104, 106, 117, 124, 156, 159, 167, 186, 212, 234, 248, 279, 312, 318, 334, 372, 403, 424, 468, 477, 501, 558, 636, 668, 689, 744, 806, 936, 954, 1002, 1116, 1209, 1272, 1336, 1378, 1503, 1612, 1643, 1908, 2004, 2067, 2171, 2232, 2418, 2756, 3006, 3224, 3286, 3627, 3816, 4008, 4134, 4342, 4836, 4929, 5177, 5512, 6012, 6201, 6513, 6572, 7254, 8268, 8684, 8851, 9672, 9858, 10354, 12024, 12402, 13026, 13144, 14508, 14787, 15531, 16536, 17368, 17702, 19539, 19716, 20708, 21359, 24804, 26052, 26553, 29016, 29574, 31062, 35404, 39078, 39432, 41416, 42718, 46593, 49608, 52104, 53106, 59148, 62124, 64077, 67301, 70808, 78156, 79659, 85436, 93186, 106212, 115063, 118296, 124248, 128154, 134602, 156312, 159318, 170872, 186372, 192231, 201903, 212424, 230126, 256308, 269204, 274381, 318636, 345189, 372744, 384462, 403806, 460252, 512616, 538408, 548762, 605709, 637272, 690378, 768924, 807612, 823143, 920504, 1035567, 1097524, 1211418, 1380756, 1537848, 1615224, 1646286, 2071134, 2195048, 2422836, 2469429, 2761512, 3292572, 3566953, 4142268, 4845672, 4938858, 6585144, 7133906, 8284536, 9877716, 10700859, 14267812, 19755432, 21401718, 28535624, 32102577, 42803436, 64205154, 85606872, 128410308, 256820616]

約数ペア:

[(1, 256820616), (2, 128410308), (3, 85606872), (4, 64205154), (6, 42803436), (8, 32102577), (9, 28535624), (12, 21401718), (13, 19755432), (18, 14267812), (24, 10700859), (26, 9877716), (31, 8284536), (36, 7133906), (39, 6585144), (52, 4938858), (53, 4845672), (62, 4142268), (72, 3566953), (78, 3292572), (93, 2761512), (104, 2469429), (106, 2422836), (117, 2195048), (124, 2071134), (156, 1646286), (159, 1615224), (167, 1537848), (186, 1380756), (212, 1211418), (234, 1097524), (248, 1035567), (279, 920504), (312, 823143), (318, 807612), (334, 768924), (372, 690378), (403, 637272), (424, 605709), (468, 548762), (477, 538408), (501, 512616), (558, 460252), (636, 403806), (668, 384462), (689, 372744), (744, 345189), (806, 318636), (936, 274381), (954, 269204), (1002, 256308), (1116, 230126), (1209, 212424), (1272, 201903), (1336, 192231), (1378, 186372), (1503, 170872), (1612, 159318), (1643, 156312), (1908, 134602), (2004, 128154), (2067, 124248), (2171, 118296), (2232, 115063), (2418, 106212), (2756, 93186), (3006, 85436), (3224, 79659), (3286, 78156), (3627, 70808), (3816, 67301), (4008, 64077), (4134, 62124), (4342, 59148), (4836, 53106), (4929, 52104), (5177, 49608), (5512, 46593), (6012, 42718), (6201, 41416), (6513, 39432), (6572, 39078), (7254, 35404), (8268, 31062), (8684, 29574), (8851, 29016), (9672, 26553), (9858, 26052), (10354, 24804), (12024, 21359), (12402, 20708), (13026, 19716), (13144, 19539), (14508, 17702), (14787, 17368), (15531, 16536)]