668646379520

素因数分解:

$2^{12}\times 5^1\times 7^2\times {\mathrm{666301}}^1$

素因数の和:666344

約数の個数: 156

約数和(自身を含む): 1866526451244

約数和(自身を除く): 1197880071724

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1024, 1120, 1280, 1568, 1792, 1960, 2048, 2240, 2560, 3136, 3584, 3920, 4096, 4480, 5120, 6272, 7168, 7840, 8960, 10240, 12544, 14336, 15680, 17920, 20480, 25088, 28672, 31360, 35840, 50176, 62720, 71680, 100352, 125440, 143360, 200704, 250880, 501760, 666301, 1003520, 1332602, 2665204, 3331505, 4664107, 5330408, 6663010, 9328214, 10660816, 13326020, 18656428, 21321632, 23320535, 26652040, 32648749, 37312856, 42643264, 46641070, 53304080, 65297498, 74625712, 85286528, 93282140, 106608160, 130594996, 149251424, 163243745, 170573056, 186564280, 213216320, 261189992, 298502848, 326487490, 341146112, 373128560, 426432640, 522379984, 597005696, 652974980, 682292224, 746257120, 852865280, 1044759968, 1194011392, 1305949960, 1364584448, 1492514240, 1705730560, 2089519936, 2388022784, 2611899920, 2729168896, 2985028480, 3411461120, 4179039872, 4776045568, 5223799840, 5970056960, 6822922240, 8358079744, 9552091136, 10447599680, 11940113920, 13645844480, 16716159488, 19104182272, 20895199360, 23880227840, 33432318976, 41790398720, 47760455680, 66864637952, 83580797440, 95520911360, 133729275904, 167161594880, 334323189760, 668646379520]

約数ペア:

[(1, 668646379520), (2, 334323189760), (4, 167161594880), (5, 133729275904), (7, 95520911360), (8, 83580797440), (10, 66864637952), (14, 47760455680), (16, 41790398720), (20, 33432318976), (28, 23880227840), (32, 20895199360), (35, 19104182272), (40, 16716159488), (49, 13645844480), (56, 11940113920), (64, 10447599680), (70, 9552091136), (80, 8358079744), (98, 6822922240), (112, 5970056960), (128, 5223799840), (140, 4776045568), (160, 4179039872), (196, 3411461120), (224, 2985028480), (245, 2729168896), (256, 2611899920), (280, 2388022784), (320, 2089519936), (392, 1705730560), (448, 1492514240), (490, 1364584448), (512, 1305949960), (560, 1194011392), (640, 1044759968), (784, 852865280), (896, 746257120), (980, 682292224), (1024, 652974980), (1120, 597005696), (1280, 522379984), (1568, 426432640), (1792, 373128560), (1960, 341146112), (2048, 326487490), (2240, 298502848), (2560, 261189992), (3136, 213216320), (3584, 186564280), (3920, 170573056), (4096, 163243745), (4480, 149251424), (5120, 130594996), (6272, 106608160), (7168, 93282140), (7840, 85286528), (8960, 74625712), (10240, 65297498), (12544, 53304080), (14336, 46641070), (15680, 42643264), (17920, 37312856), (20480, 32648749), (25088, 26652040), (28672, 23320535), (31360, 21321632), (35840, 18656428), (50176, 13326020), (62720, 10660816), (71680, 9328214), (100352, 6663010), (125440, 5330408), (143360, 4664107), (200704, 3331505), (250880, 2665204), (501760, 1332602), (666301, 1003520)]