189968640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:896

約数の個数: 144

約数和(自身を含む): 617418816

約数和(自身を除く): 427450176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 240, 244, 256, 305, 320, 366, 384, 480, 488, 610, 640, 732, 768, 811, 915, 960, 976, 1220, 1280, 1464, 1622, 1830, 1920, 1952, 2433, 2440, 2928, 3244, 3660, 3840, 3904, 4055, 4866, 4880, 5856, 6488, 7320, 7808, 8110, 9732, 9760, 11712, 12165, 12976, 14640, 15616, 16220, 19464, 19520, 23424, 24330, 25952, 29280, 32440, 38928, 39040, 46848, 48660, 49471, 51904, 58560, 64880, 77856, 78080, 97320, 98942, 103808, 117120, 129760, 148413, 155712, 194640, 197884, 207616, 234240, 247355, 259520, 296826, 311424, 389280, 395768, 494710, 519040, 593652, 622848, 742065, 778560, 791536, 989420, 1038080, 1187304, 1484130, 1557120, 1583072, 1978840, 2374608, 2968260, 3114240, 3166144, 3957680, 4749216, 5936520, 6332288, 7915360, 9498432, 11873040, 12664576, 15830720, 18996864, 23746080, 31661440, 37993728, 47492160, 63322880, 94984320, 189968640]

約数ペア:

[(1, 189968640), (2, 94984320), (3, 63322880), (4, 47492160), (5, 37993728), (6, 31661440), (8, 23746080), (10, 18996864), (12, 15830720), (15, 12664576), (16, 11873040), (20, 9498432), (24, 7915360), (30, 6332288), (32, 5936520), (40, 4749216), (48, 3957680), (60, 3166144), (61, 3114240), (64, 2968260), (80, 2374608), (96, 1978840), (120, 1583072), (122, 1557120), (128, 1484130), (160, 1187304), (183, 1038080), (192, 989420), (240, 791536), (244, 778560), (256, 742065), (305, 622848), (320, 593652), (366, 519040), (384, 494710), (480, 395768), (488, 389280), (610, 311424), (640, 296826), (732, 259520), (768, 247355), (811, 234240), (915, 207616), (960, 197884), (976, 194640), (1220, 155712), (1280, 148413), (1464, 129760), (1622, 117120), (1830, 103808), (1920, 98942), (1952, 97320), (2433, 78080), (2440, 77856), (2928, 64880), (3244, 58560), (3660, 51904), (3840, 49471), (3904, 48660), (4055, 46848), (4866, 39040), (4880, 38928), (5856, 32440), (6488, 29280), (7320, 25952), (7808, 24330), (8110, 23424), (9732, 19520), (9760, 19464), (11712, 16220), (12165, 15616), (12976, 14640)]