256875360

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{859}}^1$

素因数の和:973

約数の個数: 192

約数和(自身を含む): 936230400

約数和(自身を除く): 679355040

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, 70, 80, 84, 89, 96, 105, 112, 120, 140, 160, 168, 178, 210, 224, 240, 267, 280, 336, 356, 420, 445, 480, 534, 560, 623, 672, 712, 840, 859, 890, 1068, 1120, 1246, 1335, 1424, 1680, 1718, 1780, 1869, 2136, 2492, 2577, 2670, 2848, 3115, 3360, 3436, 3560, 3738, 4272, 4295, 4984, 5154, 5340, 6013, 6230, 6872, 7120, 7476, 8544, 8590, 9345, 9968, 10308, 10680, 12026, 12460, 12885, 13744, 14240, 14952, 17180, 18039, 18690, 19936, 20616, 21360, 24052, 24920, 25770, 27488, 29904, 30065, 34360, 36078, 37380, 41232, 42720, 48104, 49840, 51540, 59808, 60130, 68720, 72156, 74760, 76451, 82464, 90195, 96208, 99680, 103080, 120260, 137440, 144312, 149520, 152902, 180390, 192416, 206160, 229353, 240520, 288624, 299040, 305804, 360780, 382255, 412320, 458706, 481040, 535157, 577248, 611608, 721560, 764510, 917412, 962080, 1070314, 1146765, 1223216, 1443120, 1529020, 1605471, 1834824, 2140628, 2293530, 2446432, 2675785, 2886240, 3058040, 3210942, 3669648, 4281256, 4587060, 5351570, 6116080, 6421884, 7339296, 8027355, 8562512, 9174120, 10703140, 12232160, 12843768, 16054710, 17125024, 18348240, 21406280, 25687536, 32109420, 36696480, 42812560, 51375072, 64218840, 85625120, 128437680, 256875360]

約数ペア:

[(1, 256875360), (2, 128437680), (3, 85625120), (4, 64218840), (5, 51375072), (6, 42812560), (7, 36696480), (8, 32109420), (10, 25687536), (12, 21406280), (14, 18348240), (15, 17125024), (16, 16054710), (20, 12843768), (21, 12232160), (24, 10703140), (28, 9174120), (30, 8562512), (32, 8027355), (35, 7339296), (40, 6421884), (42, 6116080), (48, 5351570), (56, 4587060), (60, 4281256), (70, 3669648), (80, 3210942), (84, 3058040), (89, 2886240), (96, 2675785), (105, 2446432), (112, 2293530), (120, 2140628), (140, 1834824), (160, 1605471), (168, 1529020), (178, 1443120), (210, 1223216), (224, 1146765), (240, 1070314), (267, 962080), (280, 917412), (336, 764510), (356, 721560), (420, 611608), (445, 577248), (480, 535157), (534, 481040), (560, 458706), (623, 412320), (672, 382255), (712, 360780), (840, 305804), (859, 299040), (890, 288624), (1068, 240520), (1120, 229353), (1246, 206160), (1335, 192416), (1424, 180390), (1680, 152902), (1718, 149520), (1780, 144312), (1869, 137440), (2136, 120260), (2492, 103080), (2577, 99680), (2670, 96208), (2848, 90195), (3115, 82464), (3360, 76451), (3436, 74760), (3560, 72156), (3738, 68720), (4272, 60130), (4295, 59808), (4984, 51540), (5154, 49840), (5340, 48104), (6013, 42720), (6230, 41232), (6872, 37380), (7120, 36078), (7476, 34360), (8544, 30065), (8590, 29904), (9345, 27488), (9968, 25770), (10308, 24920), (10680, 24052), (12026, 21360), (12460, 20616), (12885, 19936), (13744, 18690), (14240, 18039), (14952, 17180)]