81552520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6197}}^1$

素因数の和:6262

約数の個数: 64

約数和(自身を含む): 214202880

約数和(自身を除く): 132650360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 6197, 6580, 12394, 13160, 24788, 30985, 43379, 49576, 61970, 86758, 123940, 173516, 216895, 247880, 291259, 347032, 433790, 582518, 867580, 1165036, 1456295, 1735160, 2038813, 2330072, 2912590, 4077626, 5825180, 8155252, 10194065, 11650360, 16310504, 20388130, 40776260, 81552520]

約数ペア:

[(1, 81552520), (2, 40776260), (4, 20388130), (5, 16310504), (7, 11650360), (8, 10194065), (10, 8155252), (14, 5825180), (20, 4077626), (28, 2912590), (35, 2330072), (40, 2038813), (47, 1735160), (56, 1456295), (70, 1165036), (94, 867580), (140, 582518), (188, 433790), (235, 347032), (280, 291259), (329, 247880), (376, 216895), (470, 173516), (658, 123940), (940, 86758), (1316, 61970), (1645, 49576), (1880, 43379), (2632, 30985), (3290, 24788), (6197, 13160), (6580, 12394)]