287387520

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{21383}}^1$

素因数の和:21412

約数の個数: 128

約数和(自身を含む): 1046960640

約数和(自身を除く): 759573120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 21383, 42766, 64149, 85532, 106915, 128298, 149681, 171064, 213830, 256596, 299362, 320745, 342128, 427660, 449043, 513192, 598724, 641490, 684256, 748405, 855320, 898086, 1026384, 1197448, 1282980, 1368512, 1496810, 1710640, 1796172, 2052768, 2245215, 2394896, 2565960, 2737024, 2993620, 3421280, 3592344, 4105536, 4490430, 4789792, 5131920, 5987240, 6842560, 7184688, 8211072, 8980860, 9579584, 10263840, 11974480, 13685120, 14369376, 17961720, 19159168, 20527680, 23948960, 28738752, 35923440, 41055360, 47897920, 57477504, 71846880, 95795840, 143693760, 287387520]

約数ペア:

[(1, 287387520), (2, 143693760), (3, 95795840), (4, 71846880), (5, 57477504), (6, 47897920), (7, 41055360), (8, 35923440), (10, 28738752), (12, 23948960), (14, 20527680), (15, 19159168), (16, 17961720), (20, 14369376), (21, 13685120), (24, 11974480), (28, 10263840), (30, 9579584), (32, 8980860), (35, 8211072), (40, 7184688), (42, 6842560), (48, 5987240), (56, 5131920), (60, 4789792), (64, 4490430), (70, 4105536), (80, 3592344), (84, 3421280), (96, 2993620), (105, 2737024), (112, 2565960), (120, 2394896), (128, 2245215), (140, 2052768), (160, 1796172), (168, 1710640), (192, 1496810), (210, 1368512), (224, 1282980), (240, 1197448), (280, 1026384), (320, 898086), (336, 855320), (384, 748405), (420, 684256), (448, 641490), (480, 598724), (560, 513192), (640, 449043), (672, 427660), (840, 342128), (896, 320745), (960, 299362), (1120, 256596), (1344, 213830), (1680, 171064), (1920, 149681), (2240, 128298), (2688, 106915), (3360, 85532), (4480, 64149), (6720, 42766), (13440, 21383)]