15690255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 30689280

約数和(自身を除く): 14999025

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 73, 89, 105, 115, 161, 219, 267, 345, 365, 445, 483, 511, 623, 805, 1095, 1335, 1533, 1679, 1869, 2047, 2415, 2555, 3115, 5037, 6141, 6497, 7665, 8395, 9345, 10235, 11753, 14329, 19491, 25185, 30705, 32485, 35259, 42987, 45479, 58765, 71645, 97455, 136437, 149431, 176295, 214935, 227395, 448293, 682185, 747155, 1046017, 2241465, 3138051, 5230085, 15690255]

約数ペア:

[(1, 15690255), (3, 5230085), (5, 3138051), (7, 2241465), (15, 1046017), (21, 747155), (23, 682185), (35, 448293), (69, 227395), (73, 214935), (89, 176295), (105, 149431), (115, 136437), (161, 97455), (219, 71645), (267, 58765), (345, 45479), (365, 42987), (445, 35259), (483, 32485), (511, 30705), (623, 25185), (805, 19491), (1095, 14329), (1335, 11753), (1533, 10235), (1679, 9345), (1869, 8395), (2047, 7665), (2415, 6497), (2555, 6141), (3115, 5037)]