251614720

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:788

約数の個数: 160

約数和(自身を含む): 726739200

約数和(自身を除く): 475124480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 512, 532, 560, 608, 640, 665, 739, 760, 896, 1064, 1120, 1216, 1280, 1330, 1478, 1520, 1792, 2128, 2240, 2432, 2560, 2660, 2956, 3040, 3584, 3695, 4256, 4480, 4864, 5173, 5320, 5912, 6080, 7390, 8512, 8960, 9728, 10346, 10640, 11824, 12160, 14041, 14780, 17024, 17920, 20692, 21280, 23648, 24320, 25865, 28082, 29560, 34048, 41384, 42560, 47296, 48640, 51730, 56164, 59120, 68096, 70205, 82768, 85120, 94592, 98287, 103460, 112328, 118240, 140410, 165536, 170240, 189184, 196574, 206920, 224656, 236480, 280820, 331072, 340480, 378368, 393148, 413840, 449312, 472960, 491435, 561640, 662144, 786296, 827680, 898624, 945920, 982870, 1123280, 1324288, 1572592, 1655360, 1797248, 1891840, 1965740, 2246560, 2648576, 3145184, 3310720, 3594496, 3931480, 4493120, 6290368, 6621440, 7188992, 7862960, 8986240, 12580736, 13242880, 15725920, 17972480, 25161472, 31451840, 35944960, 50322944, 62903680, 125807360, 251614720]

約数ペア:

[(1, 251614720), (2, 125807360), (4, 62903680), (5, 50322944), (7, 35944960), (8, 31451840), (10, 25161472), (14, 17972480), (16, 15725920), (19, 13242880), (20, 12580736), (28, 8986240), (32, 7862960), (35, 7188992), (38, 6621440), (40, 6290368), (56, 4493120), (64, 3931480), (70, 3594496), (76, 3310720), (80, 3145184), (95, 2648576), (112, 2246560), (128, 1965740), (133, 1891840), (140, 1797248), (152, 1655360), (160, 1572592), (190, 1324288), (224, 1123280), (256, 982870), (266, 945920), (280, 898624), (304, 827680), (320, 786296), (380, 662144), (448, 561640), (512, 491435), (532, 472960), (560, 449312), (608, 413840), (640, 393148), (665, 378368), (739, 340480), (760, 331072), (896, 280820), (1064, 236480), (1120, 224656), (1216, 206920), (1280, 196574), (1330, 189184), (1478, 170240), (1520, 165536), (1792, 140410), (2128, 118240), (2240, 112328), (2432, 103460), (2560, 98287), (2660, 94592), (2956, 85120), (3040, 82768), (3584, 70205), (3695, 68096), (4256, 59120), (4480, 56164), (4864, 51730), (5173, 48640), (5320, 47296), (5912, 42560), (6080, 41384), (7390, 34048), (8512, 29560), (8960, 28082), (9728, 25865), (10346, 24320), (10640, 23648), (11824, 21280), (12160, 20692), (14041, 17920), (14780, 17024)]