278100480

素因数分解:

$2^9\times 3^1\times 5^1\times 7^2\times {\mathrm{739}}^1$

素因数の和:779

約数の個数: 240

約数和(自身を含む): 1035603360

約数和(自身を除く): 757502880

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, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 672, 735, 739, 768, 784, 840, 896, 960, 980, 1120, 1176, 1280, 1344, 1470, 1478, 1536, 1568, 1680, 1792, 1920, 1960, 2217, 2240, 2352, 2560, 2688, 2940, 2956, 3136, 3360, 3584, 3695, 3840, 3920, 4434, 4480, 4704, 5173, 5376, 5880, 5912, 6272, 6720, 7390, 7680, 7840, 8868, 8960, 9408, 10346, 10752, 11085, 11760, 11824, 12544, 13440, 14780, 15519, 15680, 17736, 17920, 18816, 20692, 22170, 23520, 23648, 25088, 25865, 26880, 29560, 31038, 31360, 35472, 36211, 37632, 41384, 44340, 47040, 47296, 51730, 53760, 59120, 62076, 62720, 70944, 72422, 75264, 77595, 82768, 88680, 94080, 94592, 103460, 108633, 118240, 124152, 125440, 141888, 144844, 155190, 165536, 177360, 181055, 188160, 189184, 206920, 217266, 236480, 248304, 283776, 289688, 310380, 331072, 354720, 362110, 376320, 378368, 413840, 434532, 472960, 496608, 543165, 567552, 579376, 620760, 662144, 709440, 724220, 827680, 869064, 945920, 993216, 1086330, 1135104, 1158752, 1241520, 1324288, 1418880, 1448440, 1655360, 1738128, 1891840, 1986432, 2172660, 2317504, 2483040, 2648576, 2837760, 2896880, 3310720, 3476256, 3972864, 4345320, 4635008, 4966080, 5675520, 5793760, 6621440, 6952512, 7945728, 8690640, 9270016, 9932160, 11587520, 13242880, 13905024, 17381280, 18540032, 19864320, 23175040, 27810048, 34762560, 39728640, 46350080, 55620096, 69525120, 92700160, 139050240, 278100480]

約数ペア:

[(1, 278100480), (2, 139050240), (3, 92700160), (4, 69525120), (5, 55620096), (6, 46350080), (7, 39728640), (8, 34762560), (10, 27810048), (12, 23175040), (14, 19864320), (15, 18540032), (16, 17381280), (20, 13905024), (21, 13242880), (24, 11587520), (28, 9932160), (30, 9270016), (32, 8690640), (35, 7945728), (40, 6952512), (42, 6621440), (48, 5793760), (49, 5675520), (56, 4966080), (60, 4635008), (64, 4345320), (70, 3972864), (80, 3476256), (84, 3310720), (96, 2896880), (98, 2837760), (105, 2648576), (112, 2483040), (120, 2317504), (128, 2172660), (140, 1986432), (147, 1891840), (160, 1738128), (168, 1655360), (192, 1448440), (196, 1418880), (210, 1324288), (224, 1241520), (240, 1158752), (245, 1135104), (256, 1086330), (280, 993216), (294, 945920), (320, 869064), (336, 827680), (384, 724220), (392, 709440), (420, 662144), (448, 620760), (480, 579376), (490, 567552), (512, 543165), (560, 496608), (588, 472960), (640, 434532), (672, 413840), (735, 378368), (739, 376320), (768, 362110), (784, 354720), (840, 331072), (896, 310380), (960, 289688), (980, 283776), (1120, 248304), (1176, 236480), (1280, 217266), (1344, 206920), (1470, 189184), (1478, 188160), (1536, 181055), (1568, 177360), (1680, 165536), (1792, 155190), (1920, 144844), (1960, 141888), (2217, 125440), (2240, 124152), (2352, 118240), (2560, 108633), (2688, 103460), (2940, 94592), (2956, 94080), (3136, 88680), (3360, 82768), (3584, 77595), (3695, 75264), (3840, 72422), (3920, 70944), (4434, 62720), (4480, 62076), (4704, 59120), (5173, 53760), (5376, 51730), (5880, 47296), (5912, 47040), (6272, 44340), (6720, 41384), (7390, 37632), (7680, 36211), (7840, 35472), (8868, 31360), (8960, 31038), (9408, 29560), (10346, 26880), (10752, 25865), (11085, 25088), (11760, 23648), (11824, 23520), (12544, 22170), (13440, 20692), (14780, 18816), (15519, 17920), (15680, 17736)]