251632640

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:115

約数の個数: 264

約数和(自身を含む): 756079920

約数和(自身を除く): 504447280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 59, 64, 68, 70, 80, 85, 98, 112, 118, 119, 128, 136, 140, 160, 170, 196, 224, 236, 238, 245, 256, 272, 280, 295, 320, 340, 392, 413, 448, 472, 476, 490, 512, 544, 560, 590, 595, 640, 680, 784, 826, 833, 896, 944, 952, 980, 1003, 1024, 1088, 1120, 1180, 1190, 1280, 1360, 1568, 1652, 1666, 1792, 1888, 1904, 1960, 2006, 2065, 2176, 2240, 2360, 2380, 2560, 2720, 2891, 3136, 3304, 3332, 3584, 3776, 3808, 3920, 4012, 4130, 4165, 4352, 4480, 4720, 4760, 5015, 5120, 5440, 5782, 6272, 6608, 6664, 7021, 7168, 7552, 7616, 7840, 8024, 8260, 8330, 8704, 8960, 9440, 9520, 10030, 10880, 11564, 12544, 13216, 13328, 14042, 14455, 15104, 15232, 15680, 16048, 16520, 16660, 17408, 17920, 18880, 19040, 20060, 21760, 23128, 25088, 26432, 26656, 28084, 28910, 30208, 30464, 31360, 32096, 33040, 33320, 35105, 35840, 37760, 38080, 40120, 43520, 46256, 49147, 50176, 52864, 53312, 56168, 57820, 60416, 60928, 62720, 64192, 66080, 66640, 70210, 75520, 76160, 80240, 87040, 92512, 98294, 105728, 106624, 112336, 115640, 121856, 125440, 128384, 132160, 133280, 140420, 151040, 152320, 160480, 185024, 196588, 211456, 213248, 224672, 231280, 245735, 250880, 256768, 264320, 266560, 280840, 302080, 304640, 320960, 370048, 393176, 422912, 426496, 449344, 462560, 491470, 513536, 528640, 533120, 561680, 609280, 641920, 740096, 786352, 852992, 898688, 925120, 982940, 1027072, 1057280, 1066240, 1123360, 1283840, 1480192, 1572704, 1797376, 1850240, 1965880, 2114560, 2132480, 2246720, 2567680, 2960384, 3145408, 3594752, 3700480, 3931760, 4264960, 4493440, 5135360, 6290816, 7189504, 7400960, 7863520, 8986880, 12581632, 14801920, 15727040, 17973760, 25163264, 31454080, 35947520, 50326528, 62908160, 125816320, 251632640]

約数ペア:

[(1, 251632640), (2, 125816320), (4, 62908160), (5, 50326528), (7, 35947520), (8, 31454080), (10, 25163264), (14, 17973760), (16, 15727040), (17, 14801920), (20, 12581632), (28, 8986880), (32, 7863520), (34, 7400960), (35, 7189504), (40, 6290816), (49, 5135360), (56, 4493440), (59, 4264960), (64, 3931760), (68, 3700480), (70, 3594752), (80, 3145408), (85, 2960384), (98, 2567680), (112, 2246720), (118, 2132480), (119, 2114560), (128, 1965880), (136, 1850240), (140, 1797376), (160, 1572704), (170, 1480192), (196, 1283840), (224, 1123360), (236, 1066240), (238, 1057280), (245, 1027072), (256, 982940), (272, 925120), (280, 898688), (295, 852992), (320, 786352), (340, 740096), (392, 641920), (413, 609280), (448, 561680), (472, 533120), (476, 528640), (490, 513536), (512, 491470), (544, 462560), (560, 449344), (590, 426496), (595, 422912), (640, 393176), (680, 370048), (784, 320960), (826, 304640), (833, 302080), (896, 280840), (944, 266560), (952, 264320), (980, 256768), (1003, 250880), (1024, 245735), (1088, 231280), (1120, 224672), (1180, 213248), (1190, 211456), (1280, 196588), (1360, 185024), (1568, 160480), (1652, 152320), (1666, 151040), (1792, 140420), (1888, 133280), (1904, 132160), (1960, 128384), (2006, 125440), (2065, 121856), (2176, 115640), (2240, 112336), (2360, 106624), (2380, 105728), (2560, 98294), (2720, 92512), (2891, 87040), (3136, 80240), (3304, 76160), (3332, 75520), (3584, 70210), (3776, 66640), (3808, 66080), (3920, 64192), (4012, 62720), (4130, 60928), (4165, 60416), (4352, 57820), (4480, 56168), (4720, 53312), (4760, 52864), (5015, 50176), (5120, 49147), (5440, 46256), (5782, 43520), (6272, 40120), (6608, 38080), (6664, 37760), (7021, 35840), (7168, 35105), (7552, 33320), (7616, 33040), (7840, 32096), (8024, 31360), (8260, 30464), (8330, 30208), (8704, 28910), (8960, 28084), (9440, 26656), (9520, 26432), (10030, 25088), (10880, 23128), (11564, 21760), (12544, 20060), (13216, 19040), (13328, 18880), (14042, 17920), (14455, 17408), (15104, 16660), (15232, 16520), (15680, 16048)]