197876520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:569

約数の個数: 160

約数和(自身を含む): 671041800

約数和(自身を除く): 473165280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 157, 162, 180, 216, 270, 314, 324, 360, 389, 405, 471, 540, 628, 648, 778, 785, 810, 942, 1080, 1167, 1256, 1413, 1556, 1570, 1620, 1884, 1945, 2334, 2355, 2826, 3112, 3140, 3240, 3501, 3768, 3890, 4239, 4668, 4710, 5652, 5835, 6280, 7002, 7065, 7780, 8478, 9336, 9420, 10503, 11304, 11670, 12717, 14004, 14130, 15560, 16956, 17505, 18840, 21006, 21195, 23340, 25434, 28008, 28260, 31509, 33912, 35010, 42012, 42390, 46680, 50868, 52515, 56520, 61073, 63018, 63585, 70020, 84024, 84780, 101736, 105030, 122146, 126036, 127170, 140040, 157545, 169560, 183219, 210060, 244292, 252072, 254340, 305365, 315090, 366438, 420120, 488584, 508680, 549657, 610730, 630180, 732876, 916095, 1099314, 1221460, 1260360, 1465752, 1648971, 1832190, 2198628, 2442920, 2748285, 3297942, 3664380, 4397256, 4946913, 5496570, 6595884, 7328760, 8244855, 9893826, 10993140, 13191768, 16489710, 19787652, 21986280, 24734565, 32979420, 39575304, 49469130, 65958840, 98938260, 197876520]

約数ペア:

[(1, 197876520), (2, 98938260), (3, 65958840), (4, 49469130), (5, 39575304), (6, 32979420), (8, 24734565), (9, 21986280), (10, 19787652), (12, 16489710), (15, 13191768), (18, 10993140), (20, 9893826), (24, 8244855), (27, 7328760), (30, 6595884), (36, 5496570), (40, 4946913), (45, 4397256), (54, 3664380), (60, 3297942), (72, 2748285), (81, 2442920), (90, 2198628), (108, 1832190), (120, 1648971), (135, 1465752), (157, 1260360), (162, 1221460), (180, 1099314), (216, 916095), (270, 732876), (314, 630180), (324, 610730), (360, 549657), (389, 508680), (405, 488584), (471, 420120), (540, 366438), (628, 315090), (648, 305365), (778, 254340), (785, 252072), (810, 244292), (942, 210060), (1080, 183219), (1167, 169560), (1256, 157545), (1413, 140040), (1556, 127170), (1570, 126036), (1620, 122146), (1884, 105030), (1945, 101736), (2334, 84780), (2355, 84024), (2826, 70020), (3112, 63585), (3140, 63018), (3240, 61073), (3501, 56520), (3768, 52515), (3890, 50868), (4239, 46680), (4668, 42390), (4710, 42012), (5652, 35010), (5835, 33912), (6280, 31509), (7002, 28260), (7065, 28008), (7780, 25434), (8478, 23340), (9336, 21195), (9420, 21006), (10503, 18840), (11304, 17505), (11670, 16956), (12717, 15560), (14004, 14130)]