639663360

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:533

約数の個数: 288

約数和(自身を含む): 2384121600

約数和(自身を除く): 1744458240

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, 53, 56, 60, 64, 70, 80, 84, 96, 105, 106, 112, 120, 128, 140, 159, 160, 168, 192, 210, 212, 224, 240, 256, 265, 280, 318, 320, 336, 371, 384, 420, 424, 448, 449, 480, 530, 560, 636, 640, 672, 742, 768, 795, 840, 848, 896, 898, 960, 1060, 1113, 1120, 1272, 1280, 1344, 1347, 1484, 1590, 1680, 1696, 1792, 1796, 1855, 1920, 2120, 2226, 2240, 2245, 2544, 2688, 2694, 2968, 3143, 3180, 3360, 3392, 3592, 3710, 3840, 4240, 4452, 4480, 4490, 5088, 5376, 5388, 5565, 5936, 6286, 6360, 6720, 6735, 6784, 7184, 7420, 8480, 8904, 8960, 8980, 9429, 10176, 10776, 11130, 11872, 12572, 12720, 13440, 13470, 13568, 14368, 14840, 15715, 16960, 17808, 17960, 18858, 20352, 21552, 22260, 23744, 23797, 25144, 25440, 26880, 26940, 28736, 29680, 31430, 33920, 35616, 35920, 37716, 40704, 43104, 44520, 47145, 47488, 47594, 50288, 50880, 53880, 57472, 59360, 62860, 67840, 71232, 71391, 71840, 75432, 86208, 89040, 94290, 94976, 95188, 100576, 101760, 107760, 114944, 118720, 118985, 125720, 142464, 142782, 143680, 150864, 166579, 172416, 178080, 188580, 190376, 201152, 203520, 215520, 237440, 237970, 251440, 284928, 285564, 287360, 301728, 333158, 344832, 356160, 356955, 377160, 380752, 402304, 431040, 474880, 475940, 499737, 502880, 571128, 574720, 603456, 666316, 712320, 713910, 754320, 761504, 804608, 832895, 862080, 951880, 999474, 1005760, 1142256, 1206912, 1332632, 1424640, 1427820, 1508640, 1523008, 1665790, 1724160, 1903760, 1998948, 2011520, 2284512, 2413824, 2498685, 2665264, 2855640, 3017280, 3046016, 3331580, 3807520, 3997896, 4023040, 4569024, 4997370, 5330528, 5711280, 6034560, 6092032, 6663160, 7615040, 7995792, 9138048, 9994740, 10661056, 11422560, 12069120, 13326320, 15230080, 15991584, 18276096, 19989480, 21322112, 22845120, 26652640, 30460160, 31983168, 39978960, 42644224, 45690240, 53305280, 63966336, 79957920, 91380480, 106610560, 127932672, 159915840, 213221120, 319831680, 639663360]

約数ペア:

[(1, 639663360), (2, 319831680), (3, 213221120), (4, 159915840), (5, 127932672), (6, 106610560), (7, 91380480), (8, 79957920), (10, 63966336), (12, 53305280), (14, 45690240), (15, 42644224), (16, 39978960), (20, 31983168), (21, 30460160), (24, 26652640), (28, 22845120), (30, 21322112), (32, 19989480), (35, 18276096), (40, 15991584), (42, 15230080), (48, 13326320), (53, 12069120), (56, 11422560), (60, 10661056), (64, 9994740), (70, 9138048), (80, 7995792), (84, 7615040), (96, 6663160), (105, 6092032), (106, 6034560), (112, 5711280), (120, 5330528), (128, 4997370), (140, 4569024), (159, 4023040), (160, 3997896), (168, 3807520), (192, 3331580), (210, 3046016), (212, 3017280), (224, 2855640), (240, 2665264), (256, 2498685), (265, 2413824), (280, 2284512), (318, 2011520), (320, 1998948), (336, 1903760), (371, 1724160), (384, 1665790), (420, 1523008), (424, 1508640), (448, 1427820), (449, 1424640), (480, 1332632), (530, 1206912), (560, 1142256), (636, 1005760), (640, 999474), (672, 951880), (742, 862080), (768, 832895), (795, 804608), (840, 761504), (848, 754320), (896, 713910), (898, 712320), (960, 666316), (1060, 603456), (1113, 574720), (1120, 571128), (1272, 502880), (1280, 499737), (1344, 475940), (1347, 474880), (1484, 431040), (1590, 402304), (1680, 380752), (1696, 377160), (1792, 356955), (1796, 356160), (1855, 344832), (1920, 333158), (2120, 301728), (2226, 287360), (2240, 285564), (2245, 284928), (2544, 251440), (2688, 237970), (2694, 237440), (2968, 215520), (3143, 203520), (3180, 201152), (3360, 190376), (3392, 188580), (3592, 178080), (3710, 172416), (3840, 166579), (4240, 150864), (4452, 143680), (4480, 142782), (4490, 142464), (5088, 125720), (5376, 118985), (5388, 118720), (5565, 114944), (5936, 107760), (6286, 101760), (6360, 100576), (6720, 95188), (6735, 94976), (6784, 94290), (7184, 89040), (7420, 86208), (8480, 75432), (8904, 71840), (8960, 71391), (8980, 71232), (9429, 67840), (10176, 62860), (10776, 59360), (11130, 57472), (11872, 53880), (12572, 50880), (12720, 50288), (13440, 47594), (13470, 47488), (13568, 47145), (14368, 44520), (14840, 43104), (15715, 40704), (16960, 37716), (17808, 35920), (17960, 35616), (18858, 33920), (20352, 31430), (21552, 29680), (22260, 28736), (23744, 26940), (23797, 26880), (25144, 25440)]