220918920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4591}}^1$

素因数の和:5006

約数の個数: 64

約数和(自身を含む): 664554240

約数和(自身を除く): 443635320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 401, 802, 1203, 1604, 2005, 2406, 3208, 4010, 4591, 4812, 6015, 8020, 9182, 9624, 12030, 13773, 16040, 18364, 22955, 24060, 27546, 36728, 45910, 48120, 55092, 68865, 91820, 110184, 137730, 183640, 275460, 550920, 1840991, 3681982, 5522973, 7363964, 9204955, 11045946, 14727928, 18409910, 22091892, 27614865, 36819820, 44183784, 55229730, 73639640, 110459460, 220918920]

約数ペア:

[(1, 220918920), (2, 110459460), (3, 73639640), (4, 55229730), (5, 44183784), (6, 36819820), (8, 27614865), (10, 22091892), (12, 18409910), (15, 14727928), (20, 11045946), (24, 9204955), (30, 7363964), (40, 5522973), (60, 3681982), (120, 1840991), (401, 550920), (802, 275460), (1203, 183640), (1604, 137730), (2005, 110184), (2406, 91820), (3208, 68865), (4010, 55092), (4591, 48120), (4812, 45910), (6015, 36728), (8020, 27546), (9182, 24060), (9624, 22955), (12030, 18364), (13773, 16040)]