205345920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:487

約数の個数: 256

約数和(自身を含む): 743702400

約数和(自身を除く): 538356480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 48, 52, 57, 60, 64, 65, 76, 78, 80, 95, 96, 104, 114, 120, 128, 130, 152, 156, 160, 190, 192, 195, 208, 228, 240, 247, 260, 285, 304, 312, 320, 380, 384, 390, 416, 433, 456, 480, 494, 520, 570, 608, 624, 640, 741, 760, 780, 832, 866, 912, 960, 988, 1040, 1140, 1216, 1235, 1248, 1299, 1482, 1520, 1560, 1664, 1732, 1824, 1920, 1976, 2080, 2165, 2280, 2432, 2470, 2496, 2598, 2964, 3040, 3120, 3464, 3648, 3705, 3952, 4160, 4330, 4560, 4940, 4992, 5196, 5629, 5928, 6080, 6240, 6495, 6928, 7296, 7410, 7904, 8227, 8320, 8660, 9120, 9880, 10392, 11258, 11856, 12160, 12480, 12990, 13856, 14820, 15808, 16454, 16887, 17320, 18240, 19760, 20784, 22516, 23712, 24681, 24960, 25980, 27712, 28145, 29640, 31616, 32908, 33774, 34640, 36480, 39520, 41135, 41568, 45032, 47424, 49362, 51960, 55424, 56290, 59280, 65816, 67548, 69280, 79040, 82270, 83136, 84435, 90064, 94848, 98724, 103920, 106951, 112580, 118560, 123405, 131632, 135096, 138560, 158080, 164540, 166272, 168870, 180128, 197448, 207840, 213902, 225160, 237120, 246810, 263264, 270192, 277120, 320853, 329080, 337740, 360256, 394896, 415680, 427804, 450320, 474240, 493620, 526528, 534755, 540384, 641706, 658160, 675480, 720512, 789792, 831360, 855608, 900640, 987240, 1053056, 1069510, 1080768, 1283412, 1316320, 1350960, 1579584, 1604265, 1711216, 1801280, 1974480, 2139020, 2161536, 2566824, 2632640, 2701920, 3159168, 3208530, 3422432, 3602560, 3948960, 4278040, 5133648, 5265280, 5403840, 6417060, 6844864, 7897920, 8556080, 10267296, 10807680, 12834120, 13689728, 15795840, 17112160, 20534592, 25668240, 34224320, 41069184, 51336480, 68448640, 102672960, 205345920]

約数ペア:

[(1, 205345920), (2, 102672960), (3, 68448640), (4, 51336480), (5, 41069184), (6, 34224320), (8, 25668240), (10, 20534592), (12, 17112160), (13, 15795840), (15, 13689728), (16, 12834120), (19, 10807680), (20, 10267296), (24, 8556080), (26, 7897920), (30, 6844864), (32, 6417060), (38, 5403840), (39, 5265280), (40, 5133648), (48, 4278040), (52, 3948960), (57, 3602560), (60, 3422432), (64, 3208530), (65, 3159168), (76, 2701920), (78, 2632640), (80, 2566824), (95, 2161536), (96, 2139020), (104, 1974480), (114, 1801280), (120, 1711216), (128, 1604265), (130, 1579584), (152, 1350960), (156, 1316320), (160, 1283412), (190, 1080768), (192, 1069510), (195, 1053056), (208, 987240), (228, 900640), (240, 855608), (247, 831360), (260, 789792), (285, 720512), (304, 675480), (312, 658160), (320, 641706), (380, 540384), (384, 534755), (390, 526528), (416, 493620), (433, 474240), (456, 450320), (480, 427804), (494, 415680), (520, 394896), (570, 360256), (608, 337740), (624, 329080), (640, 320853), (741, 277120), (760, 270192), (780, 263264), (832, 246810), (866, 237120), (912, 225160), (960, 213902), (988, 207840), (1040, 197448), (1140, 180128), (1216, 168870), (1235, 166272), (1248, 164540), (1299, 158080), (1482, 138560), (1520, 135096), (1560, 131632), (1664, 123405), (1732, 118560), (1824, 112580), (1920, 106951), (1976, 103920), (2080, 98724), (2165, 94848), (2280, 90064), (2432, 84435), (2470, 83136), (2496, 82270), (2598, 79040), (2964, 69280), (3040, 67548), (3120, 65816), (3464, 59280), (3648, 56290), (3705, 55424), (3952, 51960), (4160, 49362), (4330, 47424), (4560, 45032), (4940, 41568), (4992, 41135), (5196, 39520), (5629, 36480), (5928, 34640), (6080, 33774), (6240, 32908), (6495, 31616), (6928, 29640), (7296, 28145), (7410, 27712), (7904, 25980), (8227, 24960), (8320, 24681), (8660, 23712), (9120, 22516), (9880, 20784), (10392, 19760), (11258, 18240), (11856, 17320), (12160, 16887), (12480, 16454), (12990, 15808), (13856, 14820)]