161288960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:458

約数の個数: 144

約数和(自身を含む): 452100096

約数和(自身を除く): 290811136

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, 256, 280, 320, 329, 376, 383, 448, 470, 560, 640, 658, 752, 766, 896, 940, 1120, 1280, 1316, 1504, 1532, 1645, 1792, 1880, 1915, 2240, 2632, 2681, 3008, 3064, 3290, 3760, 3830, 4480, 5264, 5362, 6016, 6128, 6580, 7520, 7660, 8960, 10528, 10724, 12032, 12256, 13160, 13405, 15040, 15320, 18001, 21056, 21448, 24512, 26320, 26810, 30080, 30640, 36002, 42112, 42896, 49024, 52640, 53620, 60160, 61280, 72004, 84224, 85792, 90005, 98048, 105280, 107240, 122560, 126007, 144008, 171584, 180010, 210560, 214480, 245120, 252014, 288016, 343168, 360020, 421120, 428960, 490240, 504028, 576032, 630035, 686336, 720040, 857920, 1008056, 1152064, 1260070, 1440080, 1715840, 2016112, 2304128, 2520140, 2880160, 3431680, 4032224, 4608256, 5040280, 5760320, 8064448, 10080560, 11520640, 16128896, 20161120, 23041280, 32257792, 40322240, 80644480, 161288960]

約数ペア:

[(1, 161288960), (2, 80644480), (4, 40322240), (5, 32257792), (7, 23041280), (8, 20161120), (10, 16128896), (14, 11520640), (16, 10080560), (20, 8064448), (28, 5760320), (32, 5040280), (35, 4608256), (40, 4032224), (47, 3431680), (56, 2880160), (64, 2520140), (70, 2304128), (80, 2016112), (94, 1715840), (112, 1440080), (128, 1260070), (140, 1152064), (160, 1008056), (188, 857920), (224, 720040), (235, 686336), (256, 630035), (280, 576032), (320, 504028), (329, 490240), (376, 428960), (383, 421120), (448, 360020), (470, 343168), (560, 288016), (640, 252014), (658, 245120), (752, 214480), (766, 210560), (896, 180010), (940, 171584), (1120, 144008), (1280, 126007), (1316, 122560), (1504, 107240), (1532, 105280), (1645, 98048), (1792, 90005), (1880, 85792), (1915, 84224), (2240, 72004), (2632, 61280), (2681, 60160), (3008, 53620), (3064, 52640), (3290, 49024), (3760, 42896), (3830, 42112), (4480, 36002), (5264, 30640), (5362, 30080), (6016, 26810), (6128, 26320), (6580, 24512), (7520, 21448), (7660, 21056), (8960, 18001), (10528, 15320), (10724, 15040), (12032, 13405), (12256, 13160)]