257295360

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^1\times {\mathrm{2393}}^1$

素因数の和:2428

約数の個数: 176

約数和(自身を含む): 940899456

約数和(自身を除く): 683604096

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, 1024, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2393, 2560, 2688, 3072, 3360, 3584, 3840, 4480, 4786, 5120, 5376, 6720, 7168, 7179, 7680, 8960, 9572, 10752, 11965, 13440, 14358, 15360, 16751, 17920, 19144, 21504, 23930, 26880, 28716, 33502, 35840, 35895, 38288, 47860, 50253, 53760, 57432, 67004, 71790, 76576, 83755, 95720, 100506, 107520, 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, 2450432, 2680160, 3063040, 3216192, 3675648, 4020240, 4288256, 4594560, 5360320, 6126080, 6432384, 7351296, 8040480, 8576512, 9189120, 10720640, 12252160, 12864768, 16080960, 17153024, 18378240, 21441280, 25729536, 32161920, 36756480, 42882560, 51459072, 64323840, 85765120, 128647680, 257295360]

約数ペア:

[(1, 257295360), (2, 128647680), (3, 85765120), (4, 64323840), (5, 51459072), (6, 42882560), (7, 36756480), (8, 32161920), (10, 25729536), (12, 21441280), (14, 18378240), (15, 17153024), (16, 16080960), (20, 12864768), (21, 12252160), (24, 10720640), (28, 9189120), (30, 8576512), (32, 8040480), (35, 7351296), (40, 6432384), (42, 6126080), (48, 5360320), (56, 4594560), (60, 4288256), (64, 4020240), (70, 3675648), (80, 3216192), (84, 3063040), (96, 2680160), (105, 2450432), (112, 2297280), (120, 2144128), (128, 2010120), (140, 1837824), (160, 1608096), (168, 1531520), (192, 1340080), (210, 1225216), (224, 1148640), (240, 1072064), (256, 1005060), (280, 918912), (320, 804048), (336, 765760), (384, 670040), (420, 612608), (448, 574320), (480, 536032), (512, 502530), (560, 459456), (640, 402024), (672, 382880), (768, 335020), (840, 306304), (896, 287160), (960, 268016), (1024, 251265), (1120, 229728), (1280, 201012), (1344, 191440), (1536, 167510), (1680, 153152), (1792, 143580), (1920, 134008), (2240, 114864), (2393, 107520), (2560, 100506), (2688, 95720), (3072, 83755), (3360, 76576), (3584, 71790), (3840, 67004), (4480, 57432), (4786, 53760), (5120, 50253), (5376, 47860), (6720, 38288), (7168, 35895), (7179, 35840), (7680, 33502), (8960, 28716), (9572, 26880), (10752, 23930), (11965, 21504), (13440, 19144), (14358, 17920), (15360, 16751)]