257379120

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{39719}}^1$

素因数の和:39744

約数の個数: 100

約数和(自身を含む): 893938320

約数和(自身を除く): 636559200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 39719, 79438, 119157, 158876, 198595, 238314, 317752, 357471, 397190, 476628, 595785, 635504, 714942, 794380, 953256, 1072413, 1191570, 1429884, 1588760, 1787355, 1906512, 2144826, 2383140, 2859768, 3177520, 3217239, 3574710, 4289652, 4766280, 5362065, 5719536, 6434478, 7149420, 8579304, 9532560, 10724130, 12868956, 14298840, 16086195, 17158608, 21448260, 25737912, 28597680, 32172390, 42896520, 51475824, 64344780, 85793040, 128689560, 257379120]

約数ペア:

[(1, 257379120), (2, 128689560), (3, 85793040), (4, 64344780), (5, 51475824), (6, 42896520), (8, 32172390), (9, 28597680), (10, 25737912), (12, 21448260), (15, 17158608), (16, 16086195), (18, 14298840), (20, 12868956), (24, 10724130), (27, 9532560), (30, 8579304), (36, 7149420), (40, 6434478), (45, 5719536), (48, 5362065), (54, 4766280), (60, 4289652), (72, 3574710), (80, 3217239), (81, 3177520), (90, 2859768), (108, 2383140), (120, 2144826), (135, 1906512), (144, 1787355), (162, 1588760), (180, 1429884), (216, 1191570), (240, 1072413), (270, 953256), (324, 794380), (360, 714942), (405, 635504), (432, 595785), (540, 476628), (648, 397190), (720, 357471), (810, 317752), (1080, 238314), (1296, 198595), (1620, 158876), (2160, 119157), (3240, 79438), (6480, 39719)]