251781120

素因数分解:

$2^{13}\times 3^2\times 5^1\times {\mathrm{683}}^1$

素因数の和:720

約数の個数: 168

約数和(自身を含む): 874065816

約数和(自身を除く): 622284696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 683, 720, 768, 960, 1024, 1152, 1280, 1366, 1440, 1536, 1920, 2048, 2049, 2304, 2560, 2732, 2880, 3072, 3415, 3840, 4096, 4098, 4608, 5120, 5464, 5760, 6144, 6147, 6830, 7680, 8192, 8196, 9216, 10240, 10245, 10928, 11520, 12288, 12294, 13660, 15360, 16392, 18432, 20480, 20490, 21856, 23040, 24576, 24588, 27320, 30720, 30735, 32784, 36864, 40960, 40980, 43712, 46080, 49176, 54640, 61440, 61470, 65568, 73728, 81960, 87424, 92160, 98352, 109280, 122880, 122940, 131136, 163920, 174848, 184320, 196704, 218560, 245880, 262272, 327840, 349696, 368640, 393408, 437120, 491760, 524544, 655680, 699392, 786816, 874240, 983520, 1049088, 1311360, 1398784, 1573632, 1748480, 1967040, 2098176, 2622720, 2797568, 3147264, 3496960, 3934080, 4196352, 5245440, 5595136, 6294528, 6993920, 7868160, 8392704, 10490880, 12589056, 13987840, 15736320, 16785408, 20981760, 25178112, 27975680, 31472640, 41963520, 50356224, 62945280, 83927040, 125890560, 251781120]

約数ペア:

[(1, 251781120), (2, 125890560), (3, 83927040), (4, 62945280), (5, 50356224), (6, 41963520), (8, 31472640), (9, 27975680), (10, 25178112), (12, 20981760), (15, 16785408), (16, 15736320), (18, 13987840), (20, 12589056), (24, 10490880), (30, 8392704), (32, 7868160), (36, 6993920), (40, 6294528), (45, 5595136), (48, 5245440), (60, 4196352), (64, 3934080), (72, 3496960), (80, 3147264), (90, 2797568), (96, 2622720), (120, 2098176), (128, 1967040), (144, 1748480), (160, 1573632), (180, 1398784), (192, 1311360), (240, 1049088), (256, 983520), (288, 874240), (320, 786816), (360, 699392), (384, 655680), (480, 524544), (512, 491760), (576, 437120), (640, 393408), (683, 368640), (720, 349696), (768, 327840), (960, 262272), (1024, 245880), (1152, 218560), (1280, 196704), (1366, 184320), (1440, 174848), (1536, 163920), (1920, 131136), (2048, 122940), (2049, 122880), (2304, 109280), (2560, 98352), (2732, 92160), (2880, 87424), (3072, 81960), (3415, 73728), (3840, 65568), (4096, 61470), (4098, 61440), (4608, 54640), (5120, 49176), (5464, 46080), (5760, 43712), (6144, 40980), (6147, 40960), (6830, 36864), (7680, 32784), (8192, 30735), (8196, 30720), (9216, 27320), (10240, 24588), (10245, 24576), (10928, 23040), (11520, 21856), (12288, 20490), (12294, 20480), (13660, 18432), (15360, 16392)]