253457280

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:661

約数の個数: 192

約数和(自身を含む): 887889600

約数和(自身を除く): 634432320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 79, 80, 90, 96, 120, 128, 144, 158, 160, 180, 192, 237, 240, 288, 316, 320, 360, 384, 395, 474, 480, 557, 576, 632, 640, 711, 720, 790, 948, 960, 1114, 1152, 1185, 1264, 1422, 1440, 1580, 1671, 1896, 1920, 2228, 2370, 2528, 2785, 2844, 2880, 3160, 3342, 3555, 3792, 4456, 4740, 5013, 5056, 5570, 5688, 5760, 6320, 6684, 7110, 7584, 8355, 8912, 9480, 10026, 10112, 11140, 11376, 12640, 13368, 14220, 15168, 16710, 17824, 18960, 20052, 22280, 22752, 25065, 25280, 26736, 28440, 30336, 33420, 35648, 37920, 40104, 44003, 44560, 45504, 50130, 50560, 53472, 56880, 66840, 71296, 75840, 80208, 88006, 89120, 91008, 100260, 106944, 113760, 132009, 133680, 151680, 160416, 176012, 178240, 200520, 213888, 220015, 227520, 264018, 267360, 320832, 352024, 356480, 396027, 401040, 440030, 455040, 528036, 534720, 641664, 660045, 704048, 792054, 802080, 880060, 1056072, 1069440, 1320090, 1408096, 1584108, 1604160, 1760120, 1980135, 2112144, 2640180, 2816192, 3168216, 3208320, 3520240, 3960270, 4224288, 5280360, 5632384, 6336432, 7040480, 7920540, 8448576, 10560720, 12672864, 14080960, 15841080, 16897152, 21121440, 25345728, 28161920, 31682160, 42242880, 50691456, 63364320, 84485760, 126728640, 253457280]

約数ペア:

[(1, 253457280), (2, 126728640), (3, 84485760), (4, 63364320), (5, 50691456), (6, 42242880), (8, 31682160), (9, 28161920), (10, 25345728), (12, 21121440), (15, 16897152), (16, 15841080), (18, 14080960), (20, 12672864), (24, 10560720), (30, 8448576), (32, 7920540), (36, 7040480), (40, 6336432), (45, 5632384), (48, 5280360), (60, 4224288), (64, 3960270), (72, 3520240), (79, 3208320), (80, 3168216), (90, 2816192), (96, 2640180), (120, 2112144), (128, 1980135), (144, 1760120), (158, 1604160), (160, 1584108), (180, 1408096), (192, 1320090), (237, 1069440), (240, 1056072), (288, 880060), (316, 802080), (320, 792054), (360, 704048), (384, 660045), (395, 641664), (474, 534720), (480, 528036), (557, 455040), (576, 440030), (632, 401040), (640, 396027), (711, 356480), (720, 352024), (790, 320832), (948, 267360), (960, 264018), (1114, 227520), (1152, 220015), (1185, 213888), (1264, 200520), (1422, 178240), (1440, 176012), (1580, 160416), (1671, 151680), (1896, 133680), (1920, 132009), (2228, 113760), (2370, 106944), (2528, 100260), (2785, 91008), (2844, 89120), (2880, 88006), (3160, 80208), (3342, 75840), (3555, 71296), (3792, 66840), (4456, 56880), (4740, 53472), (5013, 50560), (5056, 50130), (5570, 45504), (5688, 44560), (5760, 44003), (6320, 40104), (6684, 37920), (7110, 35648), (7584, 33420), (8355, 30336), (8912, 28440), (9480, 26736), (10026, 25280), (10112, 25065), (11140, 22752), (11376, 22280), (12640, 20052), (13368, 18960), (14220, 17824), (15168, 16710)]