128647680

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{2393}}^1$

素因数の和:2426

約数の個数: 160

約数和(自身を含む): 470219904

約数和(自身を除く): 341572224

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, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2393, 2560, 2688, 3360, 3584, 3840, 4480, 4786, 5376, 6720, 7179, 7680, 8960, 9572, 10752, 11965, 13440, 14358, 16751, 17920, 19144, 23930, 26880, 28716, 33502, 35895, 38288, 47860, 50253, 53760, 57432, 67004, 71790, 76576, 83755, 95720, 100506, 114864, 134008, 143580, 153152, 167510, 191440, 201012, 229728, 251265, 268016, 287160, 306304, 335020, 382880, 402024, 459456, 502530, 536032, 574320, 612608, 670040, 765760, 804048, 918912, 1005060, 1072064, 1148640, 1225216, 1340080, 1531520, 1608096, 1837824, 2010120, 2144128, 2297280, 2680160, 3063040, 3216192, 3675648, 4020240, 4288256, 4594560, 5360320, 6126080, 6432384, 8040480, 8576512, 9189120, 10720640, 12864768, 16080960, 18378240, 21441280, 25729536, 32161920, 42882560, 64323840, 128647680]

約数ペア:

[(1, 128647680), (2, 64323840), (3, 42882560), (4, 32161920), (5, 25729536), (6, 21441280), (7, 18378240), (8, 16080960), (10, 12864768), (12, 10720640), (14, 9189120), (15, 8576512), (16, 8040480), (20, 6432384), (21, 6126080), (24, 5360320), (28, 4594560), (30, 4288256), (32, 4020240), (35, 3675648), (40, 3216192), (42, 3063040), (48, 2680160), (56, 2297280), (60, 2144128), (64, 2010120), (70, 1837824), (80, 1608096), (84, 1531520), (96, 1340080), (105, 1225216), (112, 1148640), (120, 1072064), (128, 1005060), (140, 918912), (160, 804048), (168, 765760), (192, 670040), (210, 612608), (224, 574320), (240, 536032), (256, 502530), (280, 459456), (320, 402024), (336, 382880), (384, 335020), (420, 306304), (448, 287160), (480, 268016), (512, 251265), (560, 229728), (640, 201012), (672, 191440), (768, 167510), (840, 153152), (896, 143580), (960, 134008), (1120, 114864), (1280, 100506), (1344, 95720), (1536, 83755), (1680, 76576), (1792, 71790), (1920, 67004), (2240, 57432), (2393, 53760), (2560, 50253), (2688, 47860), (3360, 38288), (3584, 35895), (3840, 33502), (4480, 28716), (4786, 26880), (5376, 23930), (6720, 19144), (7179, 17920), (7680, 16751), (8960, 14358), (9572, 13440), (10752, 11965)]