1231918080

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{577}}^1$

素因数の和:744

約数の個数: 176

約数和(自身を含む): 3975437760

約数和(自身を除く): 2743519680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 139, 160, 192, 240, 256, 278, 320, 384, 417, 480, 512, 556, 577, 640, 695, 768, 834, 960, 1024, 1112, 1154, 1280, 1390, 1536, 1668, 1731, 1920, 2085, 2224, 2308, 2560, 2780, 2885, 3072, 3336, 3462, 3840, 4170, 4448, 4616, 5120, 5560, 5770, 6672, 6924, 7680, 8340, 8655, 8896, 9232, 11120, 11540, 13344, 13848, 15360, 16680, 17310, 17792, 18464, 22240, 23080, 26688, 27696, 33360, 34620, 35584, 36928, 44480, 46160, 53376, 55392, 66720, 69240, 71168, 73856, 80203, 88960, 92320, 106752, 110784, 133440, 138480, 142336, 147712, 160406, 177920, 184640, 213504, 221568, 240609, 266880, 276960, 295424, 320812, 355840, 369280, 401015, 427008, 443136, 481218, 533760, 553920, 590848, 641624, 711680, 738560, 802030, 886272, 962436, 1067520, 1107840, 1203045, 1283248, 1477120, 1604060, 1772544, 1924872, 2135040, 2215680, 2406090, 2566496, 2954240, 3208120, 3849744, 4431360, 4812180, 5132992, 6416240, 7699488, 8862720, 9624360, 10265984, 12832480, 15398976, 19248720, 20531968, 25664960, 30797952, 38497440, 41063936, 51329920, 61595904, 76994880, 82127872, 102659840, 123191808, 153989760, 205319680, 246383616, 307979520, 410639360, 615959040, 1231918080]

約数ペア:

[(1, 1231918080), (2, 615959040), (3, 410639360), (4, 307979520), (5, 246383616), (6, 205319680), (8, 153989760), (10, 123191808), (12, 102659840), (15, 82127872), (16, 76994880), (20, 61595904), (24, 51329920), (30, 41063936), (32, 38497440), (40, 30797952), (48, 25664960), (60, 20531968), (64, 19248720), (80, 15398976), (96, 12832480), (120, 10265984), (128, 9624360), (139, 8862720), (160, 7699488), (192, 6416240), (240, 5132992), (256, 4812180), (278, 4431360), (320, 3849744), (384, 3208120), (417, 2954240), (480, 2566496), (512, 2406090), (556, 2215680), (577, 2135040), (640, 1924872), (695, 1772544), (768, 1604060), (834, 1477120), (960, 1283248), (1024, 1203045), (1112, 1107840), (1154, 1067520), (1280, 962436), (1390, 886272), (1536, 802030), (1668, 738560), (1731, 711680), (1920, 641624), (2085, 590848), (2224, 553920), (2308, 533760), (2560, 481218), (2780, 443136), (2885, 427008), (3072, 401015), (3336, 369280), (3462, 355840), (3840, 320812), (4170, 295424), (4448, 276960), (4616, 266880), (5120, 240609), (5560, 221568), (5770, 213504), (6672, 184640), (6924, 177920), (7680, 160406), (8340, 147712), (8655, 142336), (8896, 138480), (9232, 133440), (11120, 110784), (11540, 106752), (13344, 92320), (13848, 88960), (15360, 80203), (16680, 73856), (17310, 71168), (17792, 69240), (18464, 66720), (22240, 55392), (23080, 53376), (26688, 46160), (27696, 44480), (33360, 36928), (34620, 35584)]