87980480

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:243

約数の個数: 168

約数和(自身を含む): 252959616

約数和(自身を除く): 164979136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 140, 155, 160, 181, 196, 217, 224, 245, 248, 280, 310, 320, 362, 392, 434, 448, 490, 496, 560, 620, 724, 784, 868, 905, 980, 992, 1085, 1120, 1240, 1267, 1448, 1519, 1568, 1736, 1810, 1960, 1984, 2170, 2240, 2480, 2534, 2896, 3038, 3136, 3472, 3620, 3920, 4340, 4960, 5068, 5611, 5792, 6076, 6335, 6944, 7240, 7595, 7840, 8680, 8869, 9920, 10136, 11222, 11584, 12152, 12670, 13888, 14480, 15190, 15680, 17360, 17738, 20272, 22444, 24304, 25340, 28055, 28960, 30380, 34720, 35476, 39277, 40544, 44345, 44888, 48608, 50680, 56110, 57920, 60760, 69440, 70952, 78554, 81088, 88690, 89776, 97216, 101360, 112220, 121520, 141904, 157108, 177380, 179552, 196385, 202720, 224440, 243040, 274939, 283808, 314216, 354760, 359104, 392770, 405440, 448880, 486080, 549878, 567616, 628432, 709520, 785540, 897760, 1099756, 1256864, 1374695, 1419040, 1571080, 1795520, 2199512, 2513728, 2749390, 2838080, 3142160, 4399024, 5498780, 6284320, 8798048, 10997560, 12568640, 17596096, 21995120, 43990240, 87980480]

約数ペア:

[(1, 87980480), (2, 43990240), (4, 21995120), (5, 17596096), (7, 12568640), (8, 10997560), (10, 8798048), (14, 6284320), (16, 5498780), (20, 4399024), (28, 3142160), (31, 2838080), (32, 2749390), (35, 2513728), (40, 2199512), (49, 1795520), (56, 1571080), (62, 1419040), (64, 1374695), (70, 1256864), (80, 1099756), (98, 897760), (112, 785540), (124, 709520), (140, 628432), (155, 567616), (160, 549878), (181, 486080), (196, 448880), (217, 405440), (224, 392770), (245, 359104), (248, 354760), (280, 314216), (310, 283808), (320, 274939), (362, 243040), (392, 224440), (434, 202720), (448, 196385), (490, 179552), (496, 177380), (560, 157108), (620, 141904), (724, 121520), (784, 112220), (868, 101360), (905, 97216), (980, 89776), (992, 88690), (1085, 81088), (1120, 78554), (1240, 70952), (1267, 69440), (1448, 60760), (1519, 57920), (1568, 56110), (1736, 50680), (1810, 48608), (1960, 44888), (1984, 44345), (2170, 40544), (2240, 39277), (2480, 35476), (2534, 34720), (2896, 30380), (3038, 28960), (3136, 28055), (3472, 25340), (3620, 24304), (3920, 22444), (4340, 20272), (4960, 17738), (5068, 17360), (5611, 15680), (5792, 15190), (6076, 14480), (6335, 13888), (6944, 12670), (7240, 12152), (7595, 11584), (7840, 11222), (8680, 10136), (8869, 9920)]