281415680

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:200

約数の個数: 208

約数和(自身を含む): 836661504

約数和(自身を除く): 555245824

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 151, 160, 182, 208, 224, 256, 260, 280, 302, 320, 364, 416, 448, 455, 512, 520, 560, 604, 640, 728, 755, 832, 896, 910, 1024, 1040, 1057, 1120, 1208, 1280, 1456, 1510, 1664, 1792, 1820, 1963, 2048, 2080, 2114, 2240, 2416, 2560, 2912, 3020, 3328, 3584, 3640, 3926, 4096, 4160, 4228, 4480, 4832, 5120, 5285, 5824, 6040, 6656, 7168, 7280, 7852, 8320, 8456, 8960, 9664, 9815, 10240, 10570, 11648, 12080, 13312, 13741, 14336, 14560, 15704, 16640, 16912, 17920, 19328, 19630, 20480, 21140, 23296, 24160, 26624, 27482, 28672, 29120, 31408, 33280, 33824, 35840, 38656, 39260, 42280, 46592, 48320, 53248, 54964, 58240, 62816, 66560, 67648, 68705, 71680, 77312, 78520, 84560, 93184, 96640, 109928, 116480, 125632, 133120, 135296, 137410, 143360, 154624, 157040, 169120, 186368, 193280, 219856, 232960, 251264, 266240, 270592, 274820, 309248, 314080, 338240, 372736, 386560, 439712, 465920, 502528, 541184, 549640, 618496, 628160, 676480, 773120, 879424, 931840, 1005056, 1082368, 1099280, 1256320, 1352960, 1546240, 1758848, 1863680, 2010112, 2164736, 2198560, 2512640, 2705920, 3092480, 3517696, 4020224, 4329472, 4397120, 5025280, 5411840, 7035392, 8040448, 8794240, 10050560, 10823680, 14070784, 17588480, 20101120, 21647360, 28141568, 35176960, 40202240, 56283136, 70353920, 140707840, 281415680]

約数ペア:

[(1, 281415680), (2, 140707840), (4, 70353920), (5, 56283136), (7, 40202240), (8, 35176960), (10, 28141568), (13, 21647360), (14, 20101120), (16, 17588480), (20, 14070784), (26, 10823680), (28, 10050560), (32, 8794240), (35, 8040448), (40, 7035392), (52, 5411840), (56, 5025280), (64, 4397120), (65, 4329472), (70, 4020224), (80, 3517696), (91, 3092480), (104, 2705920), (112, 2512640), (128, 2198560), (130, 2164736), (140, 2010112), (151, 1863680), (160, 1758848), (182, 1546240), (208, 1352960), (224, 1256320), (256, 1099280), (260, 1082368), (280, 1005056), (302, 931840), (320, 879424), (364, 773120), (416, 676480), (448, 628160), (455, 618496), (512, 549640), (520, 541184), (560, 502528), (604, 465920), (640, 439712), (728, 386560), (755, 372736), (832, 338240), (896, 314080), (910, 309248), (1024, 274820), (1040, 270592), (1057, 266240), (1120, 251264), (1208, 232960), (1280, 219856), (1456, 193280), (1510, 186368), (1664, 169120), (1792, 157040), (1820, 154624), (1963, 143360), (2048, 137410), (2080, 135296), (2114, 133120), (2240, 125632), (2416, 116480), (2560, 109928), (2912, 96640), (3020, 93184), (3328, 84560), (3584, 78520), (3640, 77312), (3926, 71680), (4096, 68705), (4160, 67648), (4228, 66560), (4480, 62816), (4832, 58240), (5120, 54964), (5285, 53248), (5824, 48320), (6040, 46592), (6656, 42280), (7168, 39260), (7280, 38656), (7852, 35840), (8320, 33824), (8456, 33280), (8960, 31408), (9664, 29120), (9815, 28672), (10240, 27482), (10570, 26624), (11648, 24160), (12080, 23296), (13312, 21140), (13741, 20480), (14336, 19630), (14560, 19328), (15704, 17920), (16640, 16912)]