80644480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:456

約数の個数: 128

約数和(自身を含む): 225607680

約数和(自身を除く): 144963200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 140, 160, 188, 224, 235, 280, 320, 329, 376, 383, 448, 470, 560, 640, 658, 752, 766, 896, 940, 1120, 1316, 1504, 1532, 1645, 1880, 1915, 2240, 2632, 2681, 3008, 3064, 3290, 3760, 3830, 4480, 5264, 5362, 6016, 6128, 6580, 7520, 7660, 10528, 10724, 12256, 13160, 13405, 15040, 15320, 18001, 21056, 21448, 24512, 26320, 26810, 30080, 30640, 36002, 42112, 42896, 49024, 52640, 53620, 61280, 72004, 85792, 90005, 105280, 107240, 122560, 126007, 144008, 171584, 180010, 210560, 214480, 245120, 252014, 288016, 343168, 360020, 428960, 504028, 576032, 630035, 720040, 857920, 1008056, 1152064, 1260070, 1440080, 1715840, 2016112, 2304128, 2520140, 2880160, 4032224, 5040280, 5760320, 8064448, 10080560, 11520640, 16128896, 20161120, 40322240, 80644480]

約数ペア:

[(1, 80644480), (2, 40322240), (4, 20161120), (5, 16128896), (7, 11520640), (8, 10080560), (10, 8064448), (14, 5760320), (16, 5040280), (20, 4032224), (28, 2880160), (32, 2520140), (35, 2304128), (40, 2016112), (47, 1715840), (56, 1440080), (64, 1260070), (70, 1152064), (80, 1008056), (94, 857920), (112, 720040), (128, 630035), (140, 576032), (160, 504028), (188, 428960), (224, 360020), (235, 343168), (280, 288016), (320, 252014), (329, 245120), (376, 214480), (383, 210560), (448, 180010), (470, 171584), (560, 144008), (640, 126007), (658, 122560), (752, 107240), (766, 105280), (896, 90005), (940, 85792), (1120, 72004), (1316, 61280), (1504, 53620), (1532, 52640), (1645, 49024), (1880, 42896), (1915, 42112), (2240, 36002), (2632, 30640), (2681, 30080), (3008, 26810), (3064, 26320), (3290, 24512), (3760, 21448), (3830, 21056), (4480, 18001), (5264, 15320), (5362, 15040), (6016, 13405), (6128, 13160), (6580, 12256), (7520, 10724), (7660, 10528)]