218910720

素因数分解:

$2^{12}\times 3^1\times 5^1\times 7^1\times {\mathrm{509}}^1$

素因数の和:548

約数の個数: 208

約数和(自身を含む): 802062720

約数和(自身を除く): 583152000

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, 256, 280, 320, 336, 384, 420, 448, 480, 509, 512, 560, 640, 672, 768, 840, 896, 960, 1018, 1024, 1120, 1280, 1344, 1527, 1536, 1680, 1792, 1920, 2036, 2048, 2240, 2545, 2560, 2688, 3054, 3072, 3360, 3563, 3584, 3840, 4072, 4096, 4480, 5090, 5120, 5376, 6108, 6144, 6720, 7126, 7168, 7635, 7680, 8144, 8960, 10180, 10240, 10689, 10752, 12216, 12288, 13440, 14252, 14336, 15270, 15360, 16288, 17815, 17920, 20360, 20480, 21378, 21504, 24432, 26880, 28504, 28672, 30540, 30720, 32576, 35630, 35840, 40720, 42756, 43008, 48864, 53445, 53760, 57008, 61080, 61440, 65152, 71260, 71680, 81440, 85512, 86016, 97728, 106890, 107520, 114016, 122160, 130304, 142520, 143360, 162880, 171024, 195456, 213780, 215040, 228032, 244320, 260608, 285040, 325760, 342048, 390912, 427560, 430080, 456064, 488640, 521216, 570080, 651520, 684096, 781824, 855120, 912128, 977280, 1042432, 1140160, 1303040, 1368192, 1563648, 1710240, 1824256, 1954560, 2084864, 2280320, 2606080, 2736384, 3127296, 3420480, 3648512, 3909120, 4560640, 5212160, 5472768, 6254592, 6840960, 7297024, 7818240, 9121280, 10424320, 10945536, 13681920, 14594048, 15636480, 18242560, 21891072, 27363840, 31272960, 36485120, 43782144, 54727680, 72970240, 109455360, 218910720]

約数ペア:

[(1, 218910720), (2, 109455360), (3, 72970240), (4, 54727680), (5, 43782144), (6, 36485120), (7, 31272960), (8, 27363840), (10, 21891072), (12, 18242560), (14, 15636480), (15, 14594048), (16, 13681920), (20, 10945536), (21, 10424320), (24, 9121280), (28, 7818240), (30, 7297024), (32, 6840960), (35, 6254592), (40, 5472768), (42, 5212160), (48, 4560640), (56, 3909120), (60, 3648512), (64, 3420480), (70, 3127296), (80, 2736384), (84, 2606080), (96, 2280320), (105, 2084864), (112, 1954560), (120, 1824256), (128, 1710240), (140, 1563648), (160, 1368192), (168, 1303040), (192, 1140160), (210, 1042432), (224, 977280), (240, 912128), (256, 855120), (280, 781824), (320, 684096), (336, 651520), (384, 570080), (420, 521216), (448, 488640), (480, 456064), (509, 430080), (512, 427560), (560, 390912), (640, 342048), (672, 325760), (768, 285040), (840, 260608), (896, 244320), (960, 228032), (1018, 215040), (1024, 213780), (1120, 195456), (1280, 171024), (1344, 162880), (1527, 143360), (1536, 142520), (1680, 130304), (1792, 122160), (1920, 114016), (2036, 107520), (2048, 106890), (2240, 97728), (2545, 86016), (2560, 85512), (2688, 81440), (3054, 71680), (3072, 71260), (3360, 65152), (3563, 61440), (3584, 61080), (3840, 57008), (4072, 53760), (4096, 53445), (4480, 48864), (5090, 43008), (5120, 42756), (5376, 40720), (6108, 35840), (6144, 35630), (6720, 32576), (7126, 30720), (7168, 30540), (7635, 28672), (7680, 28504), (8144, 26880), (8960, 24432), (10180, 21504), (10240, 21378), (10689, 20480), (10752, 20360), (12216, 17920), (12288, 17815), (13440, 16288), (14252, 15360), (14336, 15270)]