80400495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 156303360

約数和(自身を除く): 75902865

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 191, 211, 285, 399, 573, 633, 665, 955, 1055, 1337, 1477, 1995, 2865, 3165, 3629, 4009, 4011, 4431, 6685, 7385, 10887, 12027, 18145, 20045, 20055, 22155, 25403, 28063, 40301, 54435, 60135, 76209, 84189, 120903, 127015, 140315, 201505, 282107, 381045, 420945, 604515, 765719, 846321, 1410535, 2297157, 3828595, 4231605, 5360033, 11485785, 16080099, 26800165, 80400495]

約数ペア:

[(1, 80400495), (3, 26800165), (5, 16080099), (7, 11485785), (15, 5360033), (19, 4231605), (21, 3828595), (35, 2297157), (57, 1410535), (95, 846321), (105, 765719), (133, 604515), (191, 420945), (211, 381045), (285, 282107), (399, 201505), (573, 140315), (633, 127015), (665, 120903), (955, 84189), (1055, 76209), (1337, 60135), (1477, 54435), (1995, 40301), (2865, 28063), (3165, 25403), (3629, 22155), (4009, 20055), (4011, 20045), (4431, 18145), (6685, 12027), (7385, 10887)]