180978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:182

約数の個数: 32

約数和(自身を含む): 430080

約数和(自身を除く): 249102

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 139, 186, 217, 278, 417, 434, 651, 834, 973, 1302, 1946, 2919, 4309, 5838, 8618, 12927, 25854, 30163, 60326, 90489, 180978]

約数ペア:

[(1, 180978), (2, 90489), (3, 60326), (6, 30163), (7, 25854), (14, 12927), (21, 8618), (31, 5838), (42, 4309), (62, 2919), (93, 1946), (139, 1302), (186, 973), (217, 834), (278, 651), (417, 434)]