8001280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:94

約数の個数: 144

約数和(自身を含む): 23546880

約数和(自身を除く): 15545600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 47, 56, 64, 70, 76, 80, 94, 95, 112, 128, 133, 140, 152, 160, 188, 190, 224, 235, 256, 266, 280, 304, 320, 329, 376, 380, 448, 470, 532, 560, 608, 640, 658, 665, 752, 760, 893, 896, 940, 1064, 1120, 1216, 1280, 1316, 1330, 1504, 1520, 1645, 1786, 1792, 1880, 2128, 2240, 2432, 2632, 2660, 3008, 3040, 3290, 3572, 3760, 4256, 4465, 4480, 4864, 5264, 5320, 6016, 6080, 6251, 6580, 7144, 7520, 8512, 8930, 8960, 10528, 10640, 12032, 12160, 12502, 13160, 14288, 15040, 17024, 17860, 21056, 21280, 24320, 25004, 26320, 28576, 30080, 31255, 34048, 35720, 42112, 42560, 50008, 52640, 57152, 60160, 62510, 71440, 84224, 85120, 100016, 105280, 114304, 125020, 142880, 170240, 200032, 210560, 228608, 250040, 285760, 400064, 421120, 500080, 571520, 800128, 1000160, 1143040, 1600256, 2000320, 4000640, 8001280]

約数ペア:

[(1, 8001280), (2, 4000640), (4, 2000320), (5, 1600256), (7, 1143040), (8, 1000160), (10, 800128), (14, 571520), (16, 500080), (19, 421120), (20, 400064), (28, 285760), (32, 250040), (35, 228608), (38, 210560), (40, 200032), (47, 170240), (56, 142880), (64, 125020), (70, 114304), (76, 105280), (80, 100016), (94, 85120), (95, 84224), (112, 71440), (128, 62510), (133, 60160), (140, 57152), (152, 52640), (160, 50008), (188, 42560), (190, 42112), (224, 35720), (235, 34048), (256, 31255), (266, 30080), (280, 28576), (304, 26320), (320, 25004), (329, 24320), (376, 21280), (380, 21056), (448, 17860), (470, 17024), (532, 15040), (560, 14288), (608, 13160), (640, 12502), (658, 12160), (665, 12032), (752, 10640), (760, 10528), (893, 8960), (896, 8930), (940, 8512), (1064, 7520), (1120, 7144), (1216, 6580), (1280, 6251), (1316, 6080), (1330, 6016), (1504, 5320), (1520, 5264), (1645, 4864), (1786, 4480), (1792, 4465), (1880, 4256), (2128, 3760), (2240, 3572), (2432, 3290), (2632, 3040), (2660, 3008)]