18486160720

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{607}}^1\times {\mathrm{1913}}^1$

素因数の和:2732

約数の個数: 80

約数和(自身を含む): 43290086400

約数和(自身を除く): 24803925680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 607, 796, 995, 1214, 1592, 1913, 1990, 2428, 3035, 3184, 3826, 3980, 4856, 6070, 7652, 7960, 9565, 9712, 12140, 15304, 15920, 19130, 24280, 30608, 38260, 48560, 76520, 120793, 153040, 241586, 380687, 483172, 603965, 761374, 966344, 1161191, 1207930, 1522748, 1903435, 1932688, 2322382, 2415860, 3045496, 3806870, 4644764, 4831720, 5805955, 6090992, 7613740, 9289528, 9663440, 11611910, 15227480, 18579056, 23223820, 30454960, 46447640, 92895280, 231077009, 462154018, 924308036, 1155385045, 1848616072, 2310770090, 3697232144, 4621540180, 9243080360, 18486160720]

約数ペア:

[(1, 18486160720), (2, 9243080360), (4, 4621540180), (5, 3697232144), (8, 2310770090), (10, 1848616072), (16, 1155385045), (20, 924308036), (40, 462154018), (80, 231077009), (199, 92895280), (398, 46447640), (607, 30454960), (796, 23223820), (995, 18579056), (1214, 15227480), (1592, 11611910), (1913, 9663440), (1990, 9289528), (2428, 7613740), (3035, 6090992), (3184, 5805955), (3826, 4831720), (3980, 4644764), (4856, 3806870), (6070, 3045496), (7652, 2415860), (7960, 2322382), (9565, 1932688), (9712, 1903435), (12140, 1522748), (15304, 1207930), (15920, 1161191), (19130, 966344), (24280, 761374), (30608, 603965), (38260, 483172), (48560, 380687), (76520, 241586), (120793, 153040)]