291621120

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:621

約数の個数: 288

約数和(自身を含む): 1122401280

約数和(自身を除く): 830780160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 128, 133, 140, 152, 160, 168, 190, 192, 210, 224, 228, 240, 256, 266, 280, 285, 304, 320, 336, 380, 384, 399, 420, 448, 456, 480, 532, 560, 570, 571, 608, 640, 665, 672, 760, 768, 798, 840, 896, 912, 960, 1064, 1120, 1140, 1142, 1216, 1280, 1330, 1344, 1520, 1596, 1680, 1713, 1792, 1824, 1920, 1995, 2128, 2240, 2280, 2284, 2432, 2660, 2688, 2855, 3040, 3192, 3360, 3426, 3648, 3840, 3990, 3997, 4256, 4480, 4560, 4568, 4864, 5320, 5376, 5710, 6080, 6384, 6720, 6852, 7296, 7980, 7994, 8512, 8565, 8960, 9120, 9136, 10640, 10849, 11420, 11991, 12160, 12768, 13440, 13704, 14592, 15960, 15988, 17024, 17130, 18240, 18272, 19985, 21280, 21698, 22840, 23982, 24320, 25536, 26880, 27408, 31920, 31976, 32547, 34048, 34260, 36480, 36544, 39970, 42560, 43396, 45680, 47964, 51072, 54245, 54816, 59955, 63840, 63952, 65094, 68520, 72960, 73088, 75943, 79940, 85120, 86792, 91360, 95928, 102144, 108490, 109632, 119910, 127680, 127904, 130188, 137040, 146176, 151886, 159880, 162735, 170240, 173584, 182720, 191856, 216980, 219264, 227829, 239820, 255360, 255808, 260376, 274080, 303772, 319760, 325470, 347168, 365440, 379715, 383712, 433960, 438528, 455658, 479640, 510720, 511616, 520752, 548160, 607544, 639520, 650940, 694336, 730880, 759430, 767424, 867920, 911316, 959280, 1023232, 1041504, 1096320, 1139145, 1215088, 1279040, 1301880, 1388672, 1518860, 1534848, 1735840, 1822632, 1918560, 2083008, 2192640, 2278290, 2430176, 2558080, 2603760, 2777344, 3037720, 3069696, 3471680, 3645264, 3837120, 4166016, 4556580, 4860352, 5116160, 5207520, 6075440, 6943360, 7290528, 7674240, 8332032, 9113160, 9720704, 10415040, 12150880, 13886720, 14581056, 15348480, 18226320, 19441408, 20830080, 24301760, 29162112, 36452640, 41660160, 48603520, 58324224, 72905280, 97207040, 145810560, 291621120]

約数ペア:

[(1, 291621120), (2, 145810560), (3, 97207040), (4, 72905280), (5, 58324224), (6, 48603520), (7, 41660160), (8, 36452640), (10, 29162112), (12, 24301760), (14, 20830080), (15, 19441408), (16, 18226320), (19, 15348480), (20, 14581056), (21, 13886720), (24, 12150880), (28, 10415040), (30, 9720704), (32, 9113160), (35, 8332032), (38, 7674240), (40, 7290528), (42, 6943360), (48, 6075440), (56, 5207520), (57, 5116160), (60, 4860352), (64, 4556580), (70, 4166016), (76, 3837120), (80, 3645264), (84, 3471680), (95, 3069696), (96, 3037720), (105, 2777344), (112, 2603760), (114, 2558080), (120, 2430176), (128, 2278290), (133, 2192640), (140, 2083008), (152, 1918560), (160, 1822632), (168, 1735840), (190, 1534848), (192, 1518860), (210, 1388672), (224, 1301880), (228, 1279040), (240, 1215088), (256, 1139145), (266, 1096320), (280, 1041504), (285, 1023232), (304, 959280), (320, 911316), (336, 867920), (380, 767424), (384, 759430), (399, 730880), (420, 694336), (448, 650940), (456, 639520), (480, 607544), (532, 548160), (560, 520752), (570, 511616), (571, 510720), (608, 479640), (640, 455658), (665, 438528), (672, 433960), (760, 383712), (768, 379715), (798, 365440), (840, 347168), (896, 325470), (912, 319760), (960, 303772), (1064, 274080), (1120, 260376), (1140, 255808), (1142, 255360), (1216, 239820), (1280, 227829), (1330, 219264), (1344, 216980), (1520, 191856), (1596, 182720), (1680, 173584), (1713, 170240), (1792, 162735), (1824, 159880), (1920, 151886), (1995, 146176), (2128, 137040), (2240, 130188), (2280, 127904), (2284, 127680), (2432, 119910), (2660, 109632), (2688, 108490), (2855, 102144), (3040, 95928), (3192, 91360), (3360, 86792), (3426, 85120), (3648, 79940), (3840, 75943), (3990, 73088), (3997, 72960), (4256, 68520), (4480, 65094), (4560, 63952), (4568, 63840), (4864, 59955), (5320, 54816), (5376, 54245), (5710, 51072), (6080, 47964), (6384, 45680), (6720, 43396), (6852, 42560), (7296, 39970), (7980, 36544), (7994, 36480), (8512, 34260), (8565, 34048), (8960, 32547), (9120, 31976), (9136, 31920), (10640, 27408), (10849, 26880), (11420, 25536), (11991, 24320), (12160, 23982), (12768, 22840), (13440, 21698), (13704, 21280), (14592, 19985), (15960, 18272), (15988, 18240), (17024, 17130)]