9747640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1123}}^1$

素因数の和:1172

約数の個数: 64

約数和(自身を含む): 25896960

約数和(自身を除く): 16149320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1123, 1240, 1736, 2170, 2246, 4340, 4492, 5615, 7861, 8680, 8984, 11230, 15722, 22460, 31444, 34813, 39305, 44920, 62888, 69626, 78610, 139252, 157220, 174065, 243691, 278504, 314440, 348130, 487382, 696260, 974764, 1218455, 1392520, 1949528, 2436910, 4873820, 9747640]

約数ペア:

[(1, 9747640), (2, 4873820), (4, 2436910), (5, 1949528), (7, 1392520), (8, 1218455), (10, 974764), (14, 696260), (20, 487382), (28, 348130), (31, 314440), (35, 278504), (40, 243691), (56, 174065), (62, 157220), (70, 139252), (124, 78610), (140, 69626), (155, 62888), (217, 44920), (248, 39305), (280, 34813), (310, 31444), (434, 22460), (620, 15722), (868, 11230), (1085, 8984), (1123, 8680), (1240, 7861), (1736, 5615), (2170, 4492), (2246, 4340)]